Cheat Sheets for Developers

The largest collection of reference cards for developers.

htaccess Cheat Sheet (www.lockstockmods.net)
16 Useful .htaccess Tricks and Hacks For Web Developers (www.thomsonchemmanoor.com)
Top 10 .htaccess Tips and Tricks (edrackham.com)
Htaccess Cheat Sheet (wiki.timgurney.net)
.htaccess Cheat Sheet (www.thejackol.com)
.HTACCESS files useful tips and tricks (www.garnetchaney.com)

Silverlight 2
Essential F#
WebMatrix: Advanced Web Development Made Simple
Getting Started with Silverlight and Expression Blend
Getting Started with db4o: Persisting .NET Object Data
Getting Started with Windows Presentation Foundation
Getting Started with ASP.NET MVC 1.0
Getting Started with Visual Studio 2010
Developing a Silverlight Application for Windows Phone 7
"The MVVM Design Pattern: A Formula for Elegant, Maintainable Mobile Apps"
Application Prototyping with SketchFlow
Core ASP.NET
Core .NET
Getting Started with Virtualization
C#
Cloud Computing with Windows Azure Platform
Getting Started with Windows Communication Foundation 4.0
Windows PowerShell
ADO.NET Entity Framework: Object-Relational Mapping and Data Access
ASP.NET Life Cycle Cheatsheet (blog.acodingfool.com)
Regular Expression Cheat Sheet (.NET) (regexlib.com)
ASP.NET MVC 101 Cheat Sheet (public.bay.livefilestore.com)
.NET Format String (john-sheehan.com)
.NET Formatting Reference Sheet (public.blu.livefilestore.com)
.NET string formats cheat sheet (www.dylanbeattie.net)

Essential Keyboard shortcuts cards (ftp.futurenet.co.uk)
Keyboard Shortcut Cards (Bundle) (www.computerarts.co.uk)

960 Grid System Cheat Sheet (www.pillsofbits.com)

960 Grid System 12 column Cheat Sheet (www.davidgmead.com)

AAV ColorLab Cheat Sheet (aav6cc.blogspot.com)

W3C Cheatsheet for developers (www.w3.org)
Web Content Accessibility Cheat Sheet (www.notesondesign.net)
Drupal Accessibility 11 Point Checklist (drupal.org)
W3C Cheat Sheet (www.w3.org)
Web standards checklist (www.maxdesign.com.au)

ActionScript 2.0 Cheat Sheet (actionscriptcheatsheet.com)
ActionScript 3.0 Cheatsheet - flash.display Package Detail (www.actionscriptcheatsheet.com)
ActionScript 3.0 Packages Cheat Sheet (www.actionscriptcheatsheet.com)
ActionScript 3.0 Top Level Classes Cheatsheet (actionscriptcheatsheet.com)
ActionScript 3.0 flash.display (www.actionscriptcheatsheet.com)
ActionScript 3.0 Cheatsheet - Packages (www.actionscriptcheatsheet.com)
ActionScript 3.0 (actionscriptcheatsheet.com)
Papervision 3D Cheatsheet (actionscriptcheatsheet.com)
ActionScript 2.0 to 3.0 Migration Cheatsheets (www.actionscriptcheatsheet.com)

ActiveRecord Relationships Cheat Sheet (www.slash7.com)
ActiveRecord Validations Cheatsheet (dizzy.co.uk)
Active Record Validation Errors Cheatsheet (dizzy.co.uk)

Ada Syntax Card (www.tc.umn.edu)
Ada Reference Card (www.tc.umn.edu)

ADO.NET Data Services Cheat Sheet (www.newdrp.com)

Adobe Acrobat 9 Keyboard Shortcuts [Win] (www.jetsetcom.net)
Adobe Acrobat 9 Keyboard Shortcuts [Mac] (www.jetsetcom.net)
90+ Keyboard shortcuts to move faster in Adobe Acrobat Professional 7.0 for Windows [Registration] (downloads.techrepublic.com.com)

Adobe After Effects CS4 Keyboard Shortcuts (ae.tutsplus.com)

Apollo mx.controls & mx.core Cheatsheet (www.actionscriptcheatsheet.com)
Apollo flash.filesystem, flash.html & flash.system Cheatsheet (www.actionscriptcheatsheet.com)
Apollo flash.display & flash.events Cheatsheet (www.actionscriptcheatsheet.com)

Getting Started with Adobe ColdFusion Builder (refcardz.dzone.com)

Dreamweaver CS3 For Dummies Cheat Sheet (www.dummies.com)
Adobe Dreamweaver CS4 Keyboard Shortcuts - PC (www.nobledesktop.com)
Adobe Dreamweaver CS3 Quick Reference Card (Windows) (www.customguide.com)
Macromedia Dreamweaver 8 Keyboard Shortcuts - Mac (www.nobledesktop.com)
Adobe Dreamweaver CS3 Keyboard Shortcuts - Mac (www.nobledesktop.com)
Dreamweaver MX Quick Reference for Windows (download.macromedia.com)
Adobe Dreamweaver CS4 Keyboard Shortcuts - Mac (www.nobledesktop.com)
Macromedia Dreamweaver 8 Keyboard Shortcuts - PC (www.nobledesktop.com)
Adobe Dreamweaver CS4 Keyboard Shortcuts Cheat Sheet (PC) (subdivision.co.uk)
Adobe Dreamweaver CS3 Keyboard Shortcuts - PC (www.nobledesktop.com)

Adobe Flash CS4 Keyboard Shortcuts Cheat Sheet (PC and OS X) (subdivision.co.uk)
Adobe Flash CS4 Keyboard Shortcuts - Windows (www.nobledesktop.com)
Flash Cheat Sheet (michaeldoyle.eu)
Adobe Flash Platform ActionScript reference for RIA development (www.adobe.com)
Adobe Flash CS4 Keyboard Shortcuts - Mac (www.nobledesktop.com)

Getting Started with Adobe Flash Builder 4 (refcardz.dzone.com)

Adobe Flex vs Microsoft Silverlight (www.newdrp.com)
Adobe Flash Platform ActionScript reference for RIA development (www.adobe.com)
Adobe Flex 3.4 Language Reference (livedocs.adobe.com)

Adobe FrameMaker 9 Escape Sequences and Keyboard Shortcuts (www.jetsetcom.net)
Adobe FrameMaker 9 Keyboard Shortcuts [Win] (www.jetsetcom.net)

Adobe Illustrator CS4 Keyboard Shortcuts [Mac] (www.jetsetcom.net)
Adobe Illustrator CS3 Keyboard Shortcuts [Mac & Win version] (www.jetsetcom.net)
Keyboard Shortcut Cards (Bundle) (www.computerarts.co.uk)
Adobe Illustrator CS4 Keyboard Shortcuts - Mac (www.nobledesktop.com)
Adobe Illustrator CS2 Keyboard Shortcuts - PC (www.nobledesktop.com)
Pen Tool Technique for Illustrator, InDesign, and Photoshop (www.jetsetcom.net)
Illustrator CS4 Tools Panel plus shortcuts and modifier keys (www.jetsetcom.net)
Illustrator CS3 Tools Panel (www.jetsetcom.net)
Adobe Illustrator CS3 Keyboard Shortcuts - PC (www.nobledesktop.com)
Adobe Illustrator CS4 Keyboard Shortcuts [Win] (www.jetsetcom.net)
Adobe Illustrator CS3 Keyboard Shortcuts [Mac version] (www.jetsetcom.net)
Adobe Illustrator CS4 Keyboard Shortcuts - PC (www.nobledesktop.com)
Periodic Table of Adobe Shortcuts (www.designbyvent.com)
Illustrator CS4 Tools Panel (www.jetsetcom.net)
Adobe Illustrator CS2 Keyboard Shortcuts - Mac (www.nobledesktop.com)
Illustrator CS4 Keyboard Shortcuts [Mac & Win] (www.jetsetcom.net)
Adobe Illustrator CS3 Keyboard Shortcuts [Win version] (www.jetsetcom.net)
Adobe Illustrator Shortcuts (www.webdesignerwall.com)
Adobe Pen Tool Cheatsheet (creativetechs.com)
Adobe Illustrator CS3 Keyboard Shortcuts - Mac (www.nobledesktop.com)

Adobe InCopy CS4 Keyboard Shortcuts [Mac] (www.jetsetcom.net)
Adobe InCopy CS4 Keyboard Shortcuts [Win] (www.jetsetcom.net)

Adobe InDesign CS4 Keyboard Shortcuts - Mac (www.nobledesktop.com)
Adobe InDesign CS2 Keyboard Shortcuts - PC (www.nobledesktop.com)
Adobe InDesign CS4 Keyboard Shortcuts [Win] (www.jetsetcom.net)
A Visual Guide to InDesign CS4 Onscreen Characters [Mac] (www.jetsetcom.net)
Adobe InDesign CS3 Shortcuts [Mac & Win] (www.jetsetcom.net)
Periodic Table of Adobe Shortcuts (www.designbyvent.com)
Adobe InDesign CS3 Keyboard Shortcuts - PC (www.nobledesktop.com)
InDesign CS4 Tools and Modifier Shortcut Keys (www.jetsetcom.net)
InDesign CS5 For Dummies Cheat Sheet (www.dummies.com)
GREP and Metacharacters in the Find/Change dialog box of InDesign CS4 (www.jetsetcom.net)
Adobe InDesign CS4 Keyboard Shortcuts - PC (www.nobledesktop.com)
InDesign CS4 Shortcuts [Mac & Win] (www.jetsetcom.net)
Adobe Pen Tool Cheatsheet (creativetechs.com)
A Visual Guide to InDesign CS4 Onscreen Characters [Win] (www.jetsetcom.net)
Adobe InDesign CS3 Shortcuts [Mac version] (www.jetsetcom.net)
Adobe InDesign CS2 Keyboard Shortcuts - Mac (www.nobledesktop.com)
Adobe InDesign CS4 Keyboard Shortcuts [Mac] (www.jetsetcom.net)
Keyboard Shortcut Cards (Bundle) (www.computerarts.co.uk)
InDesign CS4 For Dummies Cheat Sheet (www.dummies.com)
Preferences in InDesign CS4 (www.jetsetcom.net)
InDesign CS4: GREP and Text Metacharacters in Find/Change (www.jetsetcom.net)
QuarkXPress terms > InDesign CS3 terminology (www.jetsetcom.net)
Pen Tool Technique for Illustrator, InDesign, and Photoshop (www.jetsetcom.net)
Adobe InDesign CS3 Keyboard Shortcuts - Mac (www.nobledesktop.com)
InDesign CS4 Tools Panel (www.jetsetcom.net)
GREP and Metacharacters in the Find/Change dialog box of InDesign CS4 for the iPhone (www.jetsetcom.net)
Adobe InDesign CS3 Shortcuts [Win version] (www.jetsetcom.net)

Adobe AIR cheat sheet (www.actionscriptcheatsheet.com)
Adobe Flash Platform ActionScript reference for RIA development (www.adobe.com)

Adobe Photoshop CS4 Keyboard Shortcuts - PC (www.nobledesktop.com)
Adobe Photoshop CS4 Shortcuts [Win] (www.jetsetcom.net)
Adobe Photoshop CS3 Shortcuts [Mac version] (www.jetsetcom.net)
Photoshop Black and White Cheat Sheet (www.diyphotography.net)
Adobe Pen Tool Cheatsheet (creativetechs.com)
Adobe Photoshop CS4 Keyboard Shortcuts Cheat Sheet (PC & Mac) (morris-photographics.com)
Adobe Photoshop CS4 Shortcuts [Mac & Win] (www.jetsetcom.net)
Adobe Photoshop 6 Keyboard Shortcuts Cheat Sheet (PC) (morris-photographics.com)
Adobe Photoshop CS2 Keyboard Shortcuts - Mac (www.nobledesktop.com)
Photoshop Cheat Sheet! (www.cs.brown.edu)
Keyboard Shortcut Cards (Bundle) (www.computerarts.co.uk)
Photoshop Toolbox Reference (simplephotoshop.com)
Photoshop Lasso Cheatsheet (creativetechs.com)
Photoshop keyboard shortcut sheet (www.photo-templates.com)
Adobe Photoshop CS Keyboard Shortcuts Cheat Sheet (PC & Mac) (morris-photographics.com)
Adobe Photoshop CS3 Keyboard Shortcuts - Mac (www.nobledesktop.com)
Pen Tool Technique for Illustrator, InDesign, and Photoshop (www.jetsetcom.net)
Adobe Photoshop CS3 Shortcuts [Win version] (www.jetsetcom.net)
Adobe Photoshop CS3 Keyboard Shortcuts Cheat Sheet (PC & Mac) (morris-photographics.com)
Adobe Photoshop CS4 Keyboard Shortcuts - Mac (www.nobledesktop.com)
Adobe Photoshop CS4 Shortcuts [Mac] (www.jetsetcom.net)
Photoshop Keyboard Shortcuts Cheat Sheet (www.smashingmagazine.com)
Mac OS X Leopard: 200+ Productivity Booster Keyboard Shortcuts (www.usingmac.com)
Adobe Photoshop 5 Keyboard Shortcuts Cheat Sheet (PC) (morris-photographics.com)
Adobe Photoshop CS3 Shortcuts [Mac & Win] (www.jetsetcom.net)
Adobe Photoshop CS2 Keyboard Shortcuts - PC (www.nobledesktop.com)
Adobe Photoshop Shortcuts Cheat Sheet (archive.popphoto.com)
Photoshop Brush Tool Cheatsheet (www.creativetechs.com)
Photoshop Keyboard Shortcuts & Wallpaper (www.graphicjunkies.com)
Periodic Table of Adobe Shortcuts (www.designbyvent.com)
Adobe Photoshop 7 Keyboard Shortcuts Cheat Sheet (PC) (morris-photographics.com)
Adobe Photoshop CS3 Keyboard Shortcuts - PC (www.nobledesktop.com)
Photoshop 5 Keyboard Shortcut Keys (www.felgall.com)
The Simple Photoshop CS5 Cheat Sheet (www.pxleyes.com)
Adobe Photoshop CS2 Keyboard Shortcuts Cheat Sheet (PC & Mac) (morris-photographics.com)
Visual Guide to Layer Blending Modes in Photoshop (www.fudgegraphics.com)

Photoshop Elements 8 For Dummies Cheat Sheet (www.dummies.com)

Adobe Lightroom Keyboard Shortcuts - Windows Version 2.0 (www.lightroomqueen.com)
Adobe Photoshop Lightroom 3 Shortcuts (blogs.adobe.com)
Adobe Lightroom Keyboard Shortcuts - Mac Version 1.1 (www.lightroomqueen.com)
Adobe Lightroom Keyboard Shortcuts - Mac Version 2.0 (www.lightroomqueen.com)
Adobe Lightroom Keyboard Shortcuts - Windows Version 1.1 (www.lightroomqueen.com)

Google AdWords Cheat Sheet (www.quicklycode.com)

Adobe After Effects (aetuts.s3.cdn.plus.org)

How Agile Works - My Program Manager Cheat Sheet (blogs.msdn.com)

The HACMP cheat sheet (www.ibm.com)

What's Ajax? Cheat Sheet (www.slash7.com)
Microsoft Ajax Library Cheat Sheets Bundle (aspnetresources.com)
JavaScript & AJAX For Dummies Cheat Sheet (www.dummies.com)
Symfony Cheat Sheet - JavaScript and AJAX Helpers (andreiabohner.wordpress.com)
What’s Ajax (slash7.com)
Microsoft Ajax Library cheat sheets (aspnetresources.com)
Getting Started with AJAX (refcardz.dzone.com)

Algebra Cheat Sheet (tutorial.math.lamar.edu)
Abstract Algebra Cheat Sheet (www.glump.net)
Algebra (tutorial.math.lamar.edu)
Algebra Cheat Sheet (Reduced) (tutorial.math.lamar.edu)

AMS-LaTeX Reference Card v.2.0 (www.math.brown.edu)

AMSTeX Reference Card v1.3 (www.math.brown.edu)

Google Analytics Cheatsheet (andywibbels.com)
Google Analytics Cheat Sheet (s3.amazonaws.com)

AFS Reference Card (doc.es.aau.dk)

"Flex Mobile Development: Build Apps for Android, iOS, and BlackBerry Tablet OS"
Fastboot Cheat Sheet (andblogs.net)
Android SDK Poster (troodon-software.com)
Android Package Index Reference (d.android.com)
jQTouch Cheat Sheet (blog.peepcode.com)
Fastboot Cheat Sheet (andblogs.net)
Android Cheat Sheet: The Top 6 Android Phones (jkontherun.com)
Icon Reference Chart (hicksdesign.co.uk)
Android Recipes and Snippets (www.damonkohler.com)

Apache Solr Cheat Sheet (docs.google.com)
Apache Mod_Rewrite Cheat Sheet (www.justinshattuck.com)
Apache Cheat Sheet (www.petefreitag.com)
Emezeta mod_rewrite Card Reference Cheat Sheet (Spanish and English) (www.emezeta.com)
mod_rewrite Cheat Sheet (V1) (www.addedbytes.com)
.HTACCESS files useful tips and tricks (www.garnetchaney.com)
Slicehost (and Linode) LAMP Cheatsheet (postpostmodern.com)
mod_rewrite Cheat Sheet (V2) (www.addedbytes.com)
Apache 1.3.6 Quick Reference Card (refcards.com)
Apache cheat sheet (www.petefreitag.com)
Mod_Rewrite Variables Cheatsheet (www.askapache.com)
htaccess Cheat Sheet (www.thejackol.com)
Server Side Includes Quick Reference Card (www.explainth.at)
Useful Apache Commands Cheatsheet (www.lagmonster.org)
Slicehost and Linode LAMP Cheat Sheet (postpostmodern.com)
Apache Cheat Sheet (wiki.timgurney.net)
Apache and IIS PHP $_SERVER Superglobal Comparision (koivi.com)

Getting Started with Apache Ant Refcard (refcardz.dzone.com)

Apache Sling Cheat Sheet (dev.day.com)

Google APIs & Developer Products Periodic Table (code.google.com)
SEO API and Dataset Cheat Sheet (www.distilled.co.uk)

Apple Final Cut Pro 5 Keyboard Shortcuts (www.nobledesktop.com)
OS X 10.7 Lion Gesture Cheat Sheet (www.cnet.co.uk)
Mac OS X Keyboard Cheat Sheet (www.quicklycode.com)
100 Mac Keyboard Shortcuts for Creating Symbols (www.usingmac.com)

Mail.app Commands Cheat Sheet for MacSpeech Dictate 1.2.1 (atmac.org)

Debian Linux apt-get package management cheat sheet (www.cyberciti.biz)
Ubuntu Cheatsheet - Useful System Commands (maketecheasier.com)
Linux Package Management Cheatsheet (lpilinux.com)
Apt cheatsheet (watson-wilson.ca)
Package Management Cheatsheet (lpilinux.com)
APT HOWTO (www.debian.org)
apt-get command cheat sheet for Debian Linux (www.cyberciti.biz)

aptana shortcut key quick reference (docs.aptana.com)

APV QuickSheet (www.tablespace.net)

Arduino Cheat Sheet (sites.google.com)
Microcontroller cheat sheet (tinkerlog.com)
Arduino Cheat Sheet (sites.google.com)

ASCII Character Codes Chart (www.web-source.net)
Unicode table for you (www.ftrain.com)
ASCII HTML Codes (www.yellowpipe.com)
ASCII Symbols (whatis.techtarget.com)
Web ASCII, aka Windows-1252 Character Encoding (www.visibone.com)
Regular/Latin1 ASCII Table (users.physik.fu-berlin.de)
Ascii Table (techonthenet.com)
ASCII Character Codes Cheat Sheet (www.petefreitag.com)
HTML ASCII Characters (www.nationalfinder.com)
Special ASCII / HTML Character Symbols Codes (www.yellowpipe.com)
ASCII Codes - Table of ascii characters and symbols (www.ascii.cl)
Periodic Table of the ASCII Characters (www.funnypolynomial.com)

AsciiDoc cheatsheet (powerman.name)

Top 20 Search Engine Helpers (lifehacker.com)

ASP.NET MVC 101 Cheat Sheet (public.bay.livefilestore.com)
ASP Quick Reference (www.w3schools.com)
ASP / VBScript Cheat Sheet (www.addedbytes.com)
ASP.NET Life Cycle Cheatsheet (blog.acodingfool.com)
ASP / VBScript Cheat Sheet (www.addedbytes.com)

LINQ Cheat Sheet (weblogs.asp.net)
Visual Studio 2010 Built-in Code Snippets (ASP.NET, HTML, JavaScript) (john-sheehan.com)
ASP.NET application reference sheet (www.whiletrue.nl)
ASP.NET Security Architecture Cheat Sheet For Very Busy Architects (blogs.msdn.com)
ASP.NET Life Cycle Cheatsheet (blog.acodingfool.com)
Microsoft Ajax Library Cheat Sheets Bundle (aspnetresources.com)

Getting Started with ASP.NET MVC 1.0 (refcardz.dzone.com)
The ASP.NET MVC Request Handling Pipeline (www.red-gate.com)
ASP.NET MVC Controller Cheat Sheet (www.newdrp.com)
ASP.NET MVC Pipeline (blog.stevensanderson.com)
ASP.NET MVC Proven Practices Cheat Sheet (www.newdrp.com)
ASP .Net MVC Razor Helpers Cheat Sheet (httputility.com)
ASP.NET MVC 101 Sheet (forerunnerg34.wordpress.com)
ASP.NET MVC View Cheat Sheet (www.newdrp.com)
ASP.NET MVC Framework Cheat Sheet (www.newdrp.com)

AUCTEX Reference Card (devcheatsheet.com)

Alphabetical Command List for AutoHotKey (www.autohotkey.com)

Chart of similar operations with sed and awk (www.pement.org)
awk one-liners (www.readylines.com)
Awk, Nawk and GNU Awk Cheat Sheet (www.catonmat.net)
AWK cheat sheet (www.pement.org)
AWK QUICK REFERENCE GUIDE (www.vectorsite.net)
HANDY ONE-LINE SCRIPTS FOR AWK (www.pement.org)
Awk, Nawk and GNU Awk Cheat Sheet (www.catonmat.net)

Backtrack 4 cheat sheet (www.corelan.be:8800)

UNIX-Referenzkarte [German] (www.jamesie.de)
Bash History Cheat Sheet (www.catonmat.net)
Small Scripting Languages: Bash, Tcl, Lua, JavaScript, Io (hyperpolyglot.wikidot.com)
Ubuntu Cheatsheet - Useful System Commands (maketecheasier.com)
Linux Bash Shell Cheat Sheet (freeworld.posterous.com)
Bash Cheat Sheet (wiki.timgurney.net)
Beginner's Linux Cheat Sheets - Bash and Vi/Vim (chembytes.wikidot.com)
Bash Programming Cheat Sheet (www.linux-sxs.org)
Bash Commands for Linux (ss64.com)
bash help sheet - shortcuts (www.shell-tips.com)
Bash Vi Editing Mode Cheat Sheet (www.catonmat.net)
$ cheat bash (cheat.errtheblog.com)
Bash scripting (www.linux-sxs.org)
Bash Emacs Editing Mode Cheat Sheet (www.catonmat.net)
Scripting Language Cheat Sheet (hyperpolyglot.wikidot.com)

Bazaar quick start card (doc.bazaar.canonical.com)
Bazaar Quick Start Card (doc.bazaar-vcs.org)

Blender HotKeys Reference: 3d View,Mesh Edit Mode (wiki.blender.org)
Blender For Dummies Cheat Sheet (www.dummies.com)
Blender HotKeys Reference: 3d View, Object Mode (wiki.blender.org)
Blender hot keys cheat sheet (www.quicklycode.com)

Blogger cheat sheet (blog.btemplates.com)
Blogger Cheat Sheet (blog.btemplates.com)

Blueprint CSS v0.7.1 Cheat Sheet (www.christianmontoya.com)
Blueprint CSS Cheat Sheet (blueprintcss.org)
Blueprint CSS v0.8 Cheat Sheet (www.christianmontoya.com)

BPMN v2.0 Poster (www.bpmb.de)

Web Browser CSS Support Cheat Sheet (www.webdevout.net)

HTML5 & CSS3 Browser Support Checklist (www.findmebyip.com)
Chrome Developer Tools Cheatsheet (github.com)
Browser Compatibility Master Table (www.quirksmode.org)
Internet Explorer 8 Bugs (jhop.me)

Unix Toolbox (cb.vu)

Getting Started with BIRT

The Social Media Cheat Sheet (drewmclellan.typepad.com)
Google Buzz cheat sheet (kosciak.blox.pl)

Java cheat sheet for C++ programmers (www.math.ncsu.edu)
C/C++ Cheat Sheet (v1) (itp.nyu.edu)
Platform Languages: C, C++, Objective C, Java, C# (hyperpolyglot.wikidot.com)
C Cheat Sheet (171.64.64.250)
C Cheat Sheet (encycode.com)
C Syntax (codesyntax.netfirms.com)
C++ and Java Syntax Differences Cheat Sheet (www.cprogramming.com)
C Reference Card (ANSI) (math.brown.edu)
ANSI C Reference Card v2.2 (www.math.brown.edu)

Core ASP.NET
Core .NET
C#
Silverlight 2
Getting Started with Silverlight and Expression Blend
Getting Started with Visual Studio 2010
Visual Studio 2008 Built-in Code Snippets (C#) (john-sheehan.com)
C# Basics Reference Sheet (www.dreamincode.net)
C# String Formatting FAQ (blog.stevex.net)
C# Basics (www.learnvisualstudio.net)
C# Regular Expressions Cheat Sheet (www.mikesdotnetting.com)
VB.NET and C# Comparison (www.harding.edu)
Cheat Sheet - Casting in VB.NET and C# (www.codeproject.com)
LINQ to SQL cheat sheet (damieng.com)
Microsoft Ajax Library Cheat Sheets Bundle (aspnetresources.com)
Microsoft Visual C# Default Keybindings for Visual Studio 2005 (download.microsoft.com)
Java (JS2E 5.0) and C# Comparison (www.harding.edu)
String Formatting in C# (blog.stevex.net)
C# and VB.NET Comparison Cheat Sheet (aspalliance.com)
LINQ Cheat Sheet (weblogs.asp.net)
Platform Languages: C, C++, Objective C, Java, C# (hyperpolyglot.wikidot.com)
Visual Studio 2010 Built-in Code Snippets (C#) (john-sheehan.com)
Core C# and .NET Quick Reference (www.corecsharp.net)
Microsoft Visual C# Default Keybindings for Visual Studio 2008 (www.microsoft.com)
Microsoft Visual C# 2010 Default Key Bindings Card (www.microsoft.com)

C++ Syntax (codesyntax.netfirms.com)
C++ Quick Reference (www.sourcepole.com)
STL Quick Reference (medini.org)
Platform Languages: C, C++, Objective C, Java, C# (hyperpolyglot.wikidot.com)
C++ and Java Syntax Differences Cheat Sheet (www.cprogramming.com)
C++ Notes (www.fredosaurus.com)
Visual C++ 2005 Keyboard Shortcut Reference Poster (www.microsoft.com)
Microsoft Visual C++ 2010 Default Key Bindings Card (www.microsoft.com)
C++ Reference Sheet (downloads.dreamincode.net)
C/C++ Cheat Sheet (v1) (itp.nyu.edu)
How to Program in C++ (cs.fit.edu)
Visual C++ 2008 Keybinding Reference Poster (www.microsoft.com)
C++ Quick Guide (www.metashadow.com)

Objective-C for the iPhone and iPad

CakePHP cheat sheet (cakephp.org)

Complete Calculus Cheat Sheet (Reduced) (tutorial.math.lamar.edu)
Sage Quick Reference: Calculus (wiki.sagemath.org)
Common Derivatives and Integrals (Reduced) (tutorial.math.lamar.edu)
Complete Calculus Cheat Sheet (tutorial.math.lamar.edu)
Common Derivatives and Integrals (tutorial.math.lamar.edu)

Capistrano 1.2.0 Cheat Sheet (devcheatsheet.com)
Capistrano 1.1.0 Cheatsheet (www.undefinedrange.com)
Pascal's svn and Capistrano Cheat Sheet (blog.nanorails.com)
Capistrano Cheat Sheet (www.quicklycode.com)

Cassandra's data model cheat sheet (www.javageneration.com)

Country codes map (www.quicklycode.com)

cloudControl Cheat Sheet (cloudcontrol.de)

CFSCRIPT ColdFusion Cheat Sheet (www.petefreitag.com)

Special Characters in HTML (www.utexas.edu)
RFC-1345 Digraphs Cheat Sheet (sheet.shiar.nl)
Character Entity References in HTML 4 and XHTML 1.0 (www.elizabethcastro.com)
ASCII Symbols (whatis.techtarget.com)
Web ASCII, aka Windows-1252 Character Encoding (www.visibone.com)
HTML Character Entities (reeddesign.co.uk)
HTML Codes - Characters and symbols (ascii.cl)
HTML Special Character Codes (www.chami.com)
Symbols, Mathematical Symbols and Greek Letters (cloford.com)
Regular/Latin1 ASCII Table (users.physik.fu-berlin.de)
HTML Entities Quick Reference Card (www.explainth.at)
HTML ASCII Characters (www.nationalfinder.com)
Special ASCII / HTML Character Symbols Codes (www.yellowpipe.com)
The Unicode Character Code Charts By Script (www.utf.ru)
ASCII Codes - Table of ascii characters and symbols (www.ascii.cl)
Die Unicode-Datenbank (German) (www.sql-und-xml.de)
HTML Characters listed alphabetically (www.nationalfinder.com)
Macintosh Accent Codes (tlt.its.psu.edu)
URL Encoded Characters (www.html.su)
HTML - Special Entity Codes (tlt.its.psu.edu)
Ultimate Cool Characters (www.theworldofstuff.com)
HTML/XHTML Character Entities (www.html.su)
ASCII Character Codes Chart (www.web-source.net)
Symbol Fonts and Ansi Character Codes (cloford.com)
HTML Special Character Guide (www.nobledesktop.com)
ISO Latin-1 Character Set (cloford.com)
Windows - Alt Key Numeric Codes (tlt.its.psu.edu)
HTML URL Encoding Reference (www.w3schools.com)
Entity Code (entitycode.com)
HTML ASCII Reference (www.w3schools.com)
HTML Special Characters (www.webmonkey.com)
Special Characters Reference Sheet (resources.bravenet.com)
Nice Entity - "Find Your Character!" (nice-entity.com)
Keyboard Shortcuts for special characters (www.nouilles.info)
Special Markup and Internationalisation Characters (cloford.com)
Character encoding cheat sheet (sheet.shiar.nl)
HTML Character Entities Cheat Sheet (www.addedbytes.com)
HTML ISO-8859-1 Reference (www.w3schools.com)
HTML Characters, Alpha Codes (www.visibone.com)
HTML Character Codes for Special Characters (www.html-5.com)

Common Unicode Characters (sheet.shiar.nl)
Regular Expressions (www.petefreitag.com)
ASCII HTML Codes (www.yellowpipe.com)
Mac Os char keys (www.gosquared.com)

Check Point CLI Reference Card & CheatSheet (www.roesen.org)

Check Point fw monitor Cheat Sheet (www.roesen.org)
Check Point CLI Reference Card & Cheat Sheet (www.roesen.org)
fw monitor command reference (yurisk.info)

CHMOD Chart (www.draac.com)

Google Chrome Keyboard Shortcuts (chromecheat.blogspot.com)
Chrome Developer Tools Cheatsheet (github.com)

Essential Keyboard shortcuts cards (ftp.futurenet.co.uk)
Keyboard Shortcut Cards (Bundle) (www.computerarts.co.uk)

Cisco Commands Cheat Sheet (www.madrock.net)
VOIP Basics (packetlife.net)

Cisco Cheat Sheet (www.mostlygeek.com)
Cisco ios commands (www.readylines.com)
JUNOS for Dummies Cheat Sheet (www.dummies.com)
IOS Interior Routing Protocols Poster (packetlife.net)

Clearcase Client Commands (www.yolinux.com)

Functional Programming with Clojure: Simple Concurrency on the JVM
Clojure quick reference (faustus.webatu.com)
Lisp: Common Lisp, Scheme, Clojure, Emacs Lisp (hyperpolyglot.wikidot.com)
Clojure Cheat Sheet (clojure.org)
Clojure Syntax (travis-whitton.blogspot.com)
Quick Ref for Clojure Core (clojuredocs.org)
Lisp Cheat Sheet (weatherspud.wikidot.com)
Clojure Quick Reference (faustus.webatu.com)
Clojure Documentation using FreeMind (bc.tech.coop)

Chef: An Open Source Tool for Scalable Cloud and Data Center Automation
Cloud Computing with Windows Azure Platform
Getting Started with Cloud Computing
Google App Engine for Java
Puppet Core Types Cheat Sheet (docs.puppetlabs.com)
Heroku PG Backups Cheat Sheet (www.chipashby.com)

Cloud Computing for Dummies Cheat Sheet (www.dummies.com)

cloudControl Cheat Sheet (cloudcontrol.de)
cloudControl Cheat Sheet (cloudcontrol.com)

Heartbeat cluster cheatsheet (watson-wilson.ca)

Content Management Interoperability Services Cheat Sheet (cmis.alfresco.com)

COBOL II Reference and Examples (www.fluffycat.com)
COBOL Reference Page (www.cs.gordon.edu)
COBOL Reference and Examples (www.fluffycat.com)
COBOL: Language Reference (www.cse.ohio-state.edu)

Coda Shortcuts Cheat Sheet (trainingsjacke.de)
Panic Coda Cheat Sheet (trainingsjacke.de)

Clean Code Cheat Sheet (www.planetgeek.ch)

Code-Driven Development Cheatsheet (nuvole.org)

CodeIgniter Quick Reference Chart (codeigniter.com)

Country codes map (www.quicklycode.com)
HTTP Server Header Status Codes (www.rield.com)
HTTP Response Cheat Sheet (blog.authoritylabs.com)
ASCII HTML Codes (www.yellowpipe.com)
RGB Colour Codes (www.addedbytes.com)

ColdBox Cheat Sheet (coldboxframework.com)

Adobe ColdFusion Web Services for PHP Programmers
Leveraging ColdFusion 9 Exposed Services from Java
Getting Started with Adobe ColdFusion Builder
"ColdFusion Builder 2: Faster Coding, Less Errors"
Getting Started with ColdFusion 9
CFSCRIPT ColdFusion Cheat Sheet (www.petefreitag.com)
FW/1 – Framework One Cheat Sheet (github.com)
ColdBox Cheat Sheet (coldboxframework.com)
ColdFusion DateFormat CheatSheet (www.petefreitag.com)
ColdFusion Cheat Sheet (www.petefreitag.com)
ColdFusion Reference Sheet (downloads.dreamincode.net)
ColdFusion Cheat Sheet (www.petefreitag.com)

216 Web Safe Color Chart (www.web-source.net)
4,096 HTML Colours (www.nationalfinder.com)
4096 Web-Smart Colours Diagram (cloford.com)
HTML Colors Cheatsheet (blog.acodingfool.com)
The Browser-Safe Web Palette (www.lynda.com)
Color Charts (www.webmonkey.com)
Color Theory Quick Reference Poster (www.paper-leaf.com)
Color Codes Reference Sheet (resources.bravenet.com)
Terminal Colour Cheat Sheet (sheet.shiar.nl)
CSS Color Chart (www.somacon.com)
500+ Named Colours with rgb and hex values (cloford.com)
Web Safe Color Chart (www.pagetutor.com)
RGB Colour Codes (www.addedbytes.com)
CSS3 Color Names (www.codenique.com)
Web page color table - safe colors for your images (www.chami.com)
HTML color codes and names (www.computerhope.com)
Color Quick Reference Guide (www.veign.com)
HTML Browser-Independent Colours (www.nationalfinder.com)
Color reference guide (www.veign.com)
Web-Safe Colours by Hue (cloford.com)
Web Designer Color Reference Hexagon Mouse Pad (www.visibone.com)
HTML Color Names (www.w3schools.com)
HTML Color Chart - All 216 Browser Safe Colors (www.angelfire.com)
RGB Hex Colour Chart (www.addedbytes.com)
HTML Colours and their names (www.nationalfinder.com)
Web Safe Colors (www.elizabethcastro.com)
Web Design All-in-One For Dummies Cheat Sheet (www.dummies.com)
Color Scheme Designer (colorschemedesigner.com)
HTML Colors Cheatsheet (blog.acodingfool.com)
HTML Colours - The RGB (Red, Green, Blue) colour series (www.nationalfinder.com)
Web-Safe Colours Diagram (cloford.com)
Expanded Color Chart (1536 colors) (www.pagetutor.com)
The Browser Safe Colors (www.elizabethcastro.com)

Lisp Cheat Sheet (weatherspud.wikidot.com)
Lisp: Common Lisp, Scheme, Clojure, Emacs Lisp (hyperpolyglot.wikidot.com)
Common Lisp Quick Reference (clqr.berlios.de)

Troubleshooting human communications (zeltser.com)

Sass (SCSS) and Compass Cheat Sheet (jc-designs.net)
Compass Cheat Sheet (psg.com)

Programmer Competency Matrix (www.indiangeek.net)

Computer Hardware Chart (www.geekologie.com)

Concrete5 Cheat Sheet (www.concrete5.org)

Physical Terminations/Connectors (packetlife.net)

The Antepenultimate CouchDB Reference Card (mens.de)
The Antepenultimate CouchDB Reference Card (cheat sheet) (blog.fupps.com)
CouchDB quick ref/starting guide (www.andyjarrett.co.uk)

Country Codes Quick Reference Card (www.explainth.at)
International Country Codes (cloford.com)
Country Code Cheat Sheet (sheet.shiar.nl)

Crontab Reference (www.mostlygeek.com)
Crontab Reference (www.logicalwebhost.com)
Crontab - Quick Reference (adminschoice.com)
Self-contained crontab Cheatsheet (nanotaboada.wordpress.com)
Crontab Command Definitions (team.macnn.com)

Core CSS: Part III
Core CSS: Part I
Core CSS: Part II
jQuery Selectors
Getting Started with Firebug 1.5
W3C Cheatsheet for developers (www.w3.org)
CSS Cheat Sheet (www.pxleyes.com)
Visual Cheat Sheet: CSS Compatibility with Internet Explorer 6, 7 and 8 (tutorialfeed.blogspot.com)
Blueprint CSS Cheat Sheet (blueprintcss.org)
CSS 2 Quick Reference Guide (www.veign.com)
CSS Quick Reference Guide (home.cogeco.ca)
Core CSS: Part I (refcardz.dzone.com)
CSS Property Index (www.blooberry.com)
CSS Cheat Sheet (www.pxleyes.com)
CSS Level 1 Quick Reference (refcards.com)
CSS-Kurzschreibweisen Cheatsheet [German] (www.drweb.de)
CSS 3 (media.smashingmagazine.com)
CSS Terms and Definitions (www.impressivewebs.com)
CSS Layout Cheat Sheet (webdesign.about.com)
HTML5 & CSS3 Browser Support Checklist (www.findmebyip.com)
CSS Cheat Sheet (www.addedbytes.com)
Basic CSS Cheat Sheet (newgate.ca)
CSS Shorthand Cheat Sheet (www.leigeber.com)
css filters (css hacks) (centricle.com)
CSS Specificity - Cheat Sheet (www.vcarrer.com)
CSS Help Sheet (www.gosquared.com)
CSS Properties To JavaScript Reference Conversion (codepunk.hardwar.org.uk)
Core CSS: Part II (refcardz.dzone.com)
CSS Reference - A to Z (www.w3schools.com)
My CSS 2 Cheat Sheet (taggedzi.com)
CSS Reference (webref.info)
CSS Font Size Reference Guide (www.veign.com)
CSS Cheatsheet (blog.acodingfool.com)
W3C DOM Compatibility - CSS Object Model View (www.quirksmode.org)
CSS Properties Index (meiert.com)
CSS Font Shorthand Property Cheat Sheet (www.impressivewebs.com)
Guide to CSS support in email clients (www.campaignmonitor.com)
CSS2 Help Sheet (www.gosquared.com)
CSS (Cascading Style Sheets) in one page (www.css.su)
Web Browser CSS Support Cheat Sheet (www.webdevout.net)
Zen Coding Cheat Sheet (zen-coding.googlecode.com)
CSS 2 Visual Cheat Sheet (woorkup.com)
CSS2 and CSS3 Help Sheets (downloads.gosquared.com)
HTML5 / CSS3 Cheat Sheet (www.storiesinflight.com)
CSS Cheat Sheet (V2) (www.addedbytes.com)
CSS Compatibility with Internet Explorer 6, 7 and 8 (tutorialfeed.blogspot.com)
W3C DOM Compatibility - CSS (www.quirksmode.org)
Myspace Music Profile Cheat Sheet (fc09.deviantart.net)
CSS Properties (www.webmonkey.com)
CSS Infos (css-infos.net)
CSS3 Click Chart (www.impressivewebs.com)
Basic CSS Cheat Sheet (webdesign.about.com)
Web Browser CSS Support (www.webdevout.net)
CSS contents and browser compatibility (www.quirksmode.org)
CSS Shorthand Cheat Sheet (www.eddiewelker.com)
CSS Quick Reference Sheet (resources.bravenet.com)
CSS Shorthand Cheat Sheet (www.catchmyfame.com)
CSS Reference (www.w3schools.com)
CSS Shorthand Cheat Sheet (www.eddiewelker.com)
CSS Cheat Sheet (lesliefranke.com)
CSS Shorthand Guide (www.dustindiaz.com)
WebKit CSS3 Cheat Sheet (www.sencha.com)
CSS Level 2 Quick Reference (refcards.com)
Approximate Conversion from Points to Pixels (www.reeddesign.co.uk)
Approximate Conversion from Points to Pixels (reeddesign.co.uk)
CSS Cheat Sheet (www.tek271.com)
CSS 3 Cheat Sheet (www.smashingmagazine.com)
CSS Cheat Sheet (www.petefreitag.com)
CSS Crib Sheet (www.mezzoblue.com)
CSS Color Chart (www.somacon.com)
CSS Typography Reference Sheet (speckyboy.com)
CSS Properties and Values (www.elizabethcastro.com)
CSS Cheat Sheet (V1) (www.addedbytes.com)
CSS2.1 Quick Reference Card (www.explainth.at)
Rosetta Stone and Cookbook for XPath, CSS, DOM, and Selenium (www.simple-talk.com)

WebKit CSS3 Cheat Sheet (www.sencha.com)
Web Designers' Browser Support Checklist (www.findmebyip.com)
CSS Infos (css-infos.net)
CSS3 Click Chart (www.impressivewebs.com)
Web Browser CSS Support (www.webdevout.net)
CSS contents and browser compatibility (www.quirksmode.org)
HTML5/CSS3 Cheatsheet (www.storiesinflight.com)
CSS 3 Cheat Sheet (www.smashingmagazine.com)
CSS 3 (media.smashingmagazine.com)
CSS3 Compatibility table and code samples (robertnyman.com)
CSS2 and CSS3 Help Sheets (downloads.gosquared.com)
WebKit CSS3 Cheat Sheet (downloads.sencha.com)
HTML5 / CSS3 Cheat Sheet (www.storiesinflight.com)
When Can I Use... [Compatibility tables for features in HTML5, CSS3, SVG and upcoming technologies] (a.deveria.com)
CSS3 Color Names (www.codenique.com)
HTML5 & CSS3 Browser Support Checklist (www.findmebyip.com)
CSS3 Help Sheet (www.gosquared.com)

cURL one-liners (www.readylines.com)

CVS Quick Reference Card (refcards.com)
CVS Cheat Sheet (wiki.timgurney.net)
CVS Cheat-sheet (www.slac.stanford.edu)
CVS Cheat Sheet (www-bcl.cs.unm.edu)
CVS cheat sheet (www.webfunds.org)
CVS (and Subversion) Cheat Sheet (offog.org)
Unix Toolbox (cb.vu)
CVS Quick Reference Card (tnerual.eriogerg.free.fr)

Chef: An Open Source Tool for Scalable Cloud and Data Center Automation

R Reference Card for Data Mining (www.rdatamining.com)

DB2 SQL Injection Cheat Sheet (pentestmonkey.net)
SQL Injection Cheat Sheet (michaeldaw.org)

dbshell Reference (www.mongodb.org)

Network DDOS incident response cheat sheet (zeltser.com)

Debian-Poweruser-Referenzkarte [German] (www.jamesie.de)
Linux Package Management Cheatsheet (lpilinux.com)
Debian - Cheatsheet (www.logicalwebhost.com)
Debian GNU/Linux Reference Card (tangosoft.com)
apt-get command cheat sheet for Debian Linux (www.cyberciti.biz)
dpkg command cheat sheet for Debian Linux (www.cyberciti.biz)
Debian Linux apt-get package management cheat sheet (www.cyberciti.biz)
dpkg command cheat sheet for Debian Linux (www.cyberciti.biz)

The CMO's Guide To The Social Media Landscape (www.cmo.com)

The Social Media Cheat Sheet (drewmclellan.typepad.com)

Delphi Quick Reference Card (www.explainth.at)
Delphi Quick Reference Card (www.explainth.at)

Common Derivatives and Integrals Cheat Sheet (tutorial.math.lamar.edu)

iOS Design Cheat Sheet (ivomynttinen.com)
Design Patterns Quick Reference (www.mcdonaldland.info)
Form design crib sheet (www.cxpartners.co.uk)

Design Patterns Refcard (refcardz.dzone.com)
Design Patterns Quick Reference (www.mcdonaldland.info)
Design Patterns Cheatsheet (blog.acodingfool.com)

dig one-liners (www.readylines.com)

The Social Media Cheat Sheet (drewmclellan.typepad.com)
The CMO's Guide To The Social Media Landscape (www.cmo.com)

Partitioning CheatSheet (wiki.samat.org)

Django v0.95 Cheat Sheet (www.mercurytide.co.uk)
Django cheat sheet v1.0 (www.mercurytide.co.uk)
Django (www.mercurytide.com)
Django Cheat Sheet (code.djangoproject.com)
Django v1.0 Cheat Sheet (www.mercurytide.co.uk)

docbook v4 Cheat Sheet (nbtconsulting.com)
DocBook Quick Reference (docbook.org)

Dojo 1.3 Base API Cheat Sheet (www.kylehayes.info)

Dojo 1.3 Base API Cheat Sheet (download.dojotoolkit.org)
Dojo 1.3 API Cheat Sheet (download.dojotoolkit.org)
Dojo API CheatSheet (download.dojotoolkit.org)

W3C DOM Compatibility - CSS (www.quirksmode.org)
The most common DOM methods at a glance (www.quicklycode.com)
W3C DOM (Document Object Model) in one page (www.w3c-dom.org)
W3C DOM Compatibility - HTML (www.quirksmode.org)
Javascript - DOM Event compatibility tables (www.quirksmode.org)
Rosetta Stone and Cookbook for XPath, CSS, DOM, and Selenium (www.simple-talk.com)
Browser Compatibility Master Table (www.quirksmode.org)
W3C DOM Compatibility - Traversal (www.quirksmode.org)
W3C DOM Compatibility - Core (www.quirksmode.org)
W3C DOM Compatibility - CSS Object Model View (www.quirksmode.org)

MS-DOS 6 Command Reference (labmice.techtarget.com)
EasyDOS Command Index (www.csulb.edu)
MS-DOS command list (www.computerhope.com)
DOS to Linux Cheat Sheet (www.redhat.com)

dpkg command cheat sheet for Debian Linux (www.cyberciti.biz)
dpkg command cheat sheet for Debian Linux (www.cyberciti.biz)

Adobe Dreamweaver CS4 Keyboard Shortcuts (www.nobledesktop.com)

Drupal 6 Globals Cheat Sheet (vision-media.ca)
Drupal 5 Theme Developer's Cheat Sheet (www.minezone.org)
Drupal 7 Quick Database Reference (open.madcap.nl)
How to Effectively Manage and Release Your Drupal Contributions (dwwright.net)
Drupal Accessibility 11 Point Checklist (drupal.org)
Drupal 6 Translation Cheat Sheet v1.1 (hojtsy.hu)
Form API 2.0: The Cheat Sheet (For Drupal 5 and later) (www.lullabot.com)
Ubercart Installation Cheat Sheet (www.ubercart.org)
Drupal text filtering decision cheat sheet (crackingdrupal.com)
Drupal 6 API (growingventuresolutions.com)
Drush – Drupal Shell utility (drupal.org)
Drupal Hooks Cheat Sheet (www.sanigabriele.com)
Drupal cheat sheet (www.netnode.ch)
Drupalcon security cheat sheet (www.dynamiteheads.com)
Drupal 6 Hooks Quick Reference Cheat Sheet (vision-media.ca)
Drupal 6 API Cheat Sheet (wizzlern.nl)
Drupal 6 API Cheat Sheet (growingventuresolutions.com)
Drupal 7 Quick Database Reference (open.madcap.nl)
Code-Driven Development Cheatsheet (nuvole.org)
Drupal phptemplate theming cheat sheet (www.minezone.org)
Drupal 6.x Theme Flow (drupal.org)
Drupal 6 FormAPI Attribute Cheat Sheet (vision-media.ca)
Drupal 6 Theming Cheat Sheet (www.minezone.org)
Drupal Cheat sheet for beginner (drupalmexico.com)
Drupal For Dummies Cheat Sheet (www.dummies.com)
Drupal Drush Command Cheat Sheet (drupal.org)
Drupal 7 Theming Cheat Sheet (batayneh.me)
Drupal 7 phptemplate cheatsheet (batayneh.me)
Drupal Cheat Sheet Desktop Wallpaper (www.smashingmagazine.com)
Drupal 6 Core Hooks Cheat Sheet (drupal.org)
Drush commands reference (groups.drupal.org)
Drupal 7 Cheat Sheet Desktop Wallpaper (www.quicklycode.com)
Drupal Feeds cheat sheet for developers (ygerasimov.com)
Drush Cheatsheet (www.quicklycode.com)
Drupalcon security cheat sheet (www.dynamiteheads.com)
Drupal 4.7 Cheat Sheet (www.inmensia.com)
Drupal Drush Cheat Sheet (drush.ws)

Code-Driven Development Cheatsheet (nuvole.org)
Drush Cheatsheet (www.quicklycode.com)
Drupal Drush Cheat Sheet (drush.ws)
Drush – Drupal Shell utility (drupal.org)

DTD Reference (webref.info)
DTD (DocType Declaration) in one page (www.xml.su)
Recommended List of DTDs (www.w3.org)
HTML/XHTML Elements and Valid DTDs (www.w3schools.com)

DTrace QuickStart (www.tablespace.net)

E Text Editor (www.e-texteditor.com)
$ cheat e_text_editor (cheat.errtheblog.com)

JUnit and EasyMock Refcard (refcardz.dzone.com)

Essential EMF
Eclipse Plug-in Development
Getting Started with Equinox and OSGi
EclipseLink JPA: An Advanced ORM Persistence Framework
Getting Started with Eclipse
Getting Started with BIRT
Eclipse Tools for Spring: The SpringSource Tool Suite
Getting Started with MyEclipse
Getting Started with Eclipse RCP
Eclipse 3.0 Keyboard Shortcuts (eclipse-tools.sourceforge.net)
Eclipse Keystroke Cheatsheet (www.n0sl33p.org)
Eclipse cheat sheet (blogs.cs.st-andrews.ac.uk)
Eclipse 2.1 Keyboard Shortcuts (eclipse-tools.sourceforge.net)
Eclipse 3.1 Keyboard Shortcuts - Emacs configuration (eclipse-tools.sourceforge.net)
Ubuntu keyboard shortcut cheatsheet (dl.dropbox.com)
Eclipse 3.0 Keyboard Shortcuts (eclipse-tools.sourceforge.net)
Eclipse 3.5 Cheat Sheet (www.quicklycode.com)
Getting Started with Eclipse (refcardz.dzone.com)

Ubercart Installation Cheat Sheet (www.ubercart.org)

Ed - Unix Text Editor - Cheat Sheet (www.catonmat.net)

IOS Interior Routing Protocols Poster (packetlife.net)

Enterprise Java Bean (EJB) Cheat Sheet (www.fnogol.de)

Physical Terminations/Connectors (packetlife.net)
Arduino Cheat Sheet (sites.google.com)
Microcontroller cheat sheet (tinkerlog.com)

A Beginner's Guide to Using EMACS (xkahn.zoned.net)
Emacs Cheat Sheet (www.rgrjr.com)
emacs for vi users (www.grok2.com)
Emacs Commands List (lpn.rnbhq.org)
Emacs Cheat Sheet (www.cs.princeton.edu)
Emacs visual cheat sheet (www.stevenchan.us)
Emacs cheat sheet (www.flutterby.com)
Emacs cheat sheet (ccrma.stanford.edu)
OCaml Emacs Mode (Tuareg) Cheat Sheet (www.ocamlpro.com)
Emacs Cheat Sheet (ccrma.stanford.edu)
Bash Emacs Editing Mode Cheat Sheet (www.catonmat.net)
Basic Emacs Editor Commands (www.cs.colostate.edu)
Emacs Command Summary (www.cs.rutgers.edu)
Emacs Cheat Sheet (www.cs.princeton.edu)
Cheat sheet for emacs (rydow.wordpress.com)
Emacs cheatsheet (commandline.org.uk)
Emacs Req NG Reference Card (doc.es.aau.dk)
Emacs visual cheat sheet (www.stevenchan.us)

Lisp: Common Lisp, Scheme, Clojure, Emacs Lisp (hyperpolyglot.wikidot.com)

ESS Reference Card for S and R (ess.r-project.org)

EJB 3.0 Annotations Cheat Sheet (www.fnogol.de)
EJB Cheat Sheet (www.tek271.com)

ServiceMix 4.2: The Apache Open Source ESB (refcardz.dzone.com)

Erlang Cheat Sheet (www.myownpercept.com)
Notes On Erlang: How To Be Able To Read Erlang In 15 Minutes (www.ivy.fr)

Espresso shortcuts cheat sheet (www.quicklycode.com)

esxtop precis (www.vreference.com)

Evernote Keyboard Shortcuts (www.mistywindow.com)
Evernote Cheat Sheet for Windows (techta.co)

Exim Cheatsheet (bradthemad.org)
Exim Cheat Sheet (wiki.timgurney.net)

ExpressionEngine 2.0 Add-On Development Cheat Sheet v1.0 (www.putyourlightson.net)
ExpressionEngine Templating System Quick Reference Chart (expressionengine.com)
ExpressionEngine 2.0 Quick Reference Chart (expressionengine.com)
ExpressionEngine 2.0 Quick Reference Chart (expressionengine.com)

Ext JS Class Inheritance Hierarchy Cheat Sheet (huseyint.com)

Microsoft Visual F# 2010 Default Key Bindings Card (www.microsoft.com)
ML: Standard ML, OCaml, F#, Scala, Haskell (hyperpolyglot.wikidot.com)
Essential F# (refcardz.dzone.com)
The F# Handout (hamletdarcy.blogspot.com)
F# Cheat Sheet (a6systems.com)
F# Cheat Sheet (a6systems.com)

Facebook Cheatsheet (www.andywibbels.com)
Using Facebook for Business CHEAT SHEET (www.leveltendesign.com)
The Social Media Cheat Sheet (drewmclellan.typepad.com)
Facebook Cheat Sheet (thesocialmediaguide.com.au)
The CMO's Guide To The Social Media Landscape (www.cmo.com)
Facebook Cheat Sheet (www.box.net)
Facebook Cheat Sheet: Sizes and Dimensions (www.dreamgrow.com)
Facebook keyboard shortcuts (www.computerhope.com)

Math Languages: Sage, Octave, R, J, Factor (hyperpolyglot.wikidot.com)

Fastboot Cheat Sheet (andblogs.net)
Fastboot Cheat Sheet (andblogs.net)

Fedora 14 Reference Cheat sheet (files.digitizor.com)
Fedora 13 Reference Cheat Sheet (digitizor.com)
Linux Package Management Cheatsheet (lpilinux.com)

ffmpeg Cheat Sheet - 19 Best Practices (www.webupd8.org)
Ffmpeg - Cheatsheet (www.logicalwebhost.com)
Video/Audio Encoding Cheat Sheet for FFmpeg (rodrigopolo.com)

Misc Tools Cheat Sheet (www.sans.org)

Apple Final Cut Pro 5 Keyboard Shortcuts (www.nobledesktop.com)

Apple Final Cut Pro 6 Keyboard Shortcuts (www.nobledesktop.com)
Apple Final Cut Pro 5 Keyboard Shortcuts (www.nobledesktop.com)

Firebird 2 Cheat Sheet (www.alberton.info)

Firebug cheat sheet (duvet-dayz.com)
Firebug Cheat Sheet (duvet-dayz.com)

Firefox mobile shortcuts (mobile.support.mozilla.com)
Ubuntu keyboard shortcut cheatsheet (dl.dropbox.com)
Mozilla Firefox Cheat Sheet (lesliefranke.com)
Firefox shortcuts (www.7is7.com)

ActionScript 3.0 flash.display (www.actionscriptcheatsheet.com)
Papervision 3D Cheatsheet (actionscriptcheatsheet.com)
Adobe Flash CS4 (subdivision.co.uk)

Papervision 3D Cheatsheet (actionscriptcheatsheet.com)
Adobe Flex 3 Cheat Sheet (www.actionscriptcheatsheet.com)

The CMO's Guide To The Social Media Landscape (www.cmo.com)
The Social Media Cheat Sheet (drewmclellan.typepad.com)

Free Fonts Cheat Sheet (www.smashingmagazine.com)
iOS Fonts Cheat Sheet (www.iosfonts.com)
Web Safe Fonts Cheat Sheet v1 (www.mightymeta.co.uk)
Web Safe Fonts Cheat Sheet v.2 (www.mightymeta.co.uk)
The Anatomy of Type Wallpaper (font.is)
The Great Typekit Table (www.sleepoversf.com)
Updated, Interactive Mixing Typefaces (private.gabrielmcgovern.com)
CSS Typography Reference Sheet (speckyboy.com)
Common fonts to all versions of Windows & Mac equivalents (www.ampsoft.net)
Periodic Table of the ASCII Characters (www.funnypolynomial.com)
Periodic Table of Typefaces (www.behance.net)
Common Windows fonts & Mac equivalents (www.ampsoft.net)
Symbol Fonts Cheatsheet 1.0 (cheatsheetheap.com)
Symbol Fonts Cheat Sheet (cheatsheetheap.com)
Fonts for iPad & iPhone (www.michaelcritz.com)
Web Safe Fonts Cheat Sheet (paulirish.com)
So You Need A Typeface (inspirationlab.wordpress.com)
Web Safe Font Cheat Sheet v.2 Including Google Font API (www.mightymeta.co.uk)
CSS Font Size Reference Guide (www.veign.com)

Form design crib sheet (www.cxpartners.co.uk)

Fortran 90 Reference Card (users.physik.fu-berlin.de)
Fortran 90 Reference Card (users.physik.fu-berlin.de)

FourSquare Cheat Sheet (portfolio.ginaminks.com)
FourSquare Cheat Sheet (portfolio.ginaminks.com)

Framework One (FW/1) Cheat Sheet (github.com)

Mobile Frameworks Comparison Chart (www.markus-falk.com)

Unix Tool Box (wiki.timgurney.net)

Essential Keyboard shortcuts cards (ftp.futurenet.co.uk)

Freenode Commands (t0x.in)

Mac OS X Leopard: 200+ Productivity Booster Keyboard Shortcuts (www.usingmac.com)

Basic FTP Commands (www.cs.colostate.edu)

Open Source Project Maintainer Sarcastic Response (plope.com)

Tech Support Cheat Sheet (xkcd.com)
How to Suck at Information Security Cheat Sheet (zeltser.com)
Life's Cheat Sheet (909sickle.com)

Fusebox 5.5 XML Cheat Sheet (www.dopefly.com)
Fusebox 5.5 XML Cheat Sheet (www.dopefly.com)

fw monitor command reference (yurisk.info)
Check Point fw monitor Cheat Sheet (www.roesen.org)

fw monitor cheat sheet (www.roesen.org)

FW/1 – Framework One Cheat Sheet (github.com)

Awk, Nawk and GNU Awk Cheat Sheet (www.catonmat.net)

GDB GNU Debugger Cheat Sheet (darkdust.net)

ggplot2 quick reference sheet (groups.google.com)

Gimp Quick Reference Guide I (www.timkrause.info)
The Gimp Cheat Sheet (www.lugod.org)
Photoshop-ish Keyboard Shortcuts for The Gimp (epierce.freeshell.org)
GIMP Quick Reference (docs.gimp.org)
Gimp Quick Reference Guide III (www.timkrause.info)
Photoshop-ish Keyboard Shortcuts for The Gimp 2.2 (epierce.freeshell.org)
Gimp Cheat Sheet (shodor.org)
Gimp Quick Reference Guide II (www.timkrause.info)
GIMP hotkeys (www.gimpusers.com)
GIMP Quickreference [7 languages available] (docs.gimp.org)
Gimp 2.6.7 Default Keyboard Shortcuts (gimpshortcuts.litten.com)

Git Cheat Sheet [Japanese version] (www.textdrop.net)
Getting Started with Git (refcardz.dzone.com)
Git hg rosetta stone (wiki.sympy.org)
Git Cheat Sheet (www.xcombinator.com)
Git Cheat Sheet (jan-krueger.net)
Git Cheat Sheet (github.com)
Git cheat sheet (zrusin.blogspot.com)
Git Cheat Sheet (img705.imageshack.us)
Git Reference (gitref.org)
Interactive GIT Cheatsheet (www.ndpsoftware.com)
A Visual Git Reference (marklodato.github.com)
Everyday GIT With 20 Commands Or So (www.kernel.org)
Mercurial for Git users - Command equivalence table (mercurial.selenic.com)
Git and Repo cheatsheet (source.android.com)
Git Cheat Sheet (github.com)
Git Cheat Sheet v2 (jan-krueger.net)
Git for the lazy (www.spheredev.org)
Git Cheat Sheets JP [Japanese] (hail2u.net)
Git Cheat Sheet (github.com)
$ cheat git (cheat.errtheblog.com)
Git Cheat Sheet (zrusin.blogspot.com)
Git Cheat Sheet & Version Control Best Practices (www.git-tower.com)
Git Quick Reference (jonas.nitro.dk)
Visual Git Cheatsheet (ndpsoftware.com)
Git Cheat Sheet (github.com)
Git Commands Adding, Committing and Branching Cheatsheet (ionrails.com)
Git Cheat Sheet (wiki.github.com)
simple daily git workflow (nakedstartup.com)

Programming Language Popularity Ranking (www.dataists.com)

Gmail shortcuts (r.evhead.com)
Gmail Keyboard Shortcuts Cheat Sheet (www.activr.com)
Gmail Keyboard Shortcuts Cheat Sheet (www.marcofolio.net)
Gmail Cheat Sheet (kosciak.blox.pl)
Gmail Shortcuts (printable cheatsheet) (r.evhead.com)
Gmail Tips - Become a Gmail Ninja (www.google.com)
Gmail Help: Using advanced search (mail.google.com)
Gmail Cheat Sheet (kosciak.blox.pl)
Gmail Keyboard Shortcuts (mail.google.com)
GMail Keyboard Shortcuts Printable Cheat Sheet (www.activr.com)
Gmail Cheat Sheet (downloads.marcofolio.net)

Ubuntu keyboard shortcut cheatsheet (bitkickers.blogspot.com)
Ubuntu keyboard shortcut cheatsheet (dl.dropbox.com)
Gnome / KDE Keyboard Shortcuts (www.novell.com)

GNU Make cheatsheet (watson-wilson.ca)

Readline shortcuts (www.bigsmoke.us)
readline cheat sheet (sheet.shiar.nl)

GnuPG Cheatsheet (bencode.net)

Gnuplot's Cheat Sheet (chembytes.wdfiles.com)

Googletricks & andere Tipps: Komplexere Suchbefehle und mehr (ins Deutsche) (www.weberberg.de)
Chrome Developer Tools Cheatsheet (github.com)
Google Cheat Sheet in Deutsch (bueltge.de)
Google AdWords Cheat Sheet (www.quicklycode.com)
Russian Search Engine Query Cheatsheet V.2 (www.e3internet.com)
Google Analytics Cheatsheet (andywibbels.com)
Google and Yahoo Search Shortcuts Cheat Sheet (www.searchenginejournal.com)
Google Buzz cheat sheet (kosciak.blox.pl)
Google Wave Commands Cheat Sheet (thechrisvossshow.com)
Google Maps Cheat Sheet (www.quicklycode.com)
Google Calculator Quick Reference (www.googleguide.com)
50+ Google and Yahoo Search Shortcuts Cheat Sheet (www.searchenginejournal.com)
Google Analytics Cheat Sheet (s3.amazonaws.com)
Search Engine Query Cheat Sheets (www.e3internet.com)
Das Google Cheat Sheet (ins Deutsche) (www.weberberg.de)
Gmail Cheat Sheet (kosciak.blox.pl)
Google Voice Cheat Sheet (static.coolgeex.com)
Google websearch parameters (yoast.com)
Google Docs & Spreadsheets Keyboard Shortcuts (docs.google.com)
Google Chrome Keyboard Shortcuts (chromecheat.blogspot.com)
Google Advanced Operators Quick Reference (www.googleguide.com)
Google+ Cheat Sheet (lh5.googleusercontent.com)
Google Reader Cheat Sheet (kosciak.blox.pl)
Google Help Cheat Sheet (www.google.com)
Google Help : Cheat Sheet (www.google.com)
Gmail shortcuts (r.evhead.com)
Google Advanced Operators Quick Reference (www.googleguide.com)
Google APIs & Developer Products Periodic Table (code.google.com)
Google App Engine Cheat Sheet for Python SDK 1.2.2 (googleappengine.googlecode.com)
Gmail Keyboard Shortcuts Cheat Sheet (www.activr.com)
Top 20 Search Engine Helpers (lifehacker.com)
The complete Google+ cheat sheet (i.imgur.com)

Google AdWords Cheat Sheet (sharewarepromotions.com)

The Google Analytics Cheatsheet (www.conversationmarketing.com)

Google Buzz Cheat Sheet (kosciak.blox.pl)

Chrome Developer Tools Cheat Sheet (github.com)
Icon Reference Chart (hicksdesign.co.uk)
When Can I Use... [Compatibility tables for features in HTML5, CSS3, SVG and upcoming technologies] (a.deveria.com)
Google Chrome Cheat Sheet (chromecheat.blogspot.com)
The Power User's Guide to Google Chrome (lifehacker.com)

Google Docs & Spreadsheets Keyboard Shortcuts (docs.google.com)
Keyboard shortcuts for Google documents (docs.google.com)
Keyboard shortcuts for Google presentations (docs.google.com)
Keyboard shortcuts for Google spreadsheets (docs.google.com)

Google Reader Cheat Sheet (kosciak.blox.pl)

Google SketchUp 7 For Dummies Cheat Sheet (www.dummies.com)

Google Talk Cheat Sheet (www.hungry-hackers.com)

Google Voice Quick Reference Guide v2.0 (www.coolgeex.com)
Google Voice Quick Reference Guide v1.0 (www.coolgeex.com)

Google Wave Cheatsheet (learntowave.blogspot.com)
Google Wave Cheat Sheet (www.googlewaveinfo.com)
Google Wave Keyboard Shortcuts (www.google.com)

The Complete Google+ Cheatsheet Infographic (technostreak.com)
Google+ Cheat Sheet 2 (plus.google.com)
Google+ Cheat Sheet 1 (plus.google.com)

GnuPG Cheatsheet (bencode.net)

Getting Started with Grails (refcardz.dzone.com)
Grails Quick Reference 1.1 (sjtai.blogspot.com)
Grails Documentation Widget (www.anyware.co.uk)
Grails Domain Class 1.0 Cheat Sheet (docs.codehaus.org)

grep one-liners (www.readylines.com)

Sun Grid Engine Cheat Sheet (gridengine.sunsource.net)
Grid Engine 6.1 Quick Reference Guide (blog.bioteam.net)

Getting Started with Grails
Getting Started with Griffon
Groovy
Groovy Reference Card (docs.codehaus.org)

The HACMP cheat sheet (www.ibm.com)

Hadoop Default Ports Quick Reference (www.cloudera.com)
Hadoop cheat sheet (3.bp.blogspot.com)
Hadoop cheat sheet (blog.maxgarfinkel.com)
Hadoop Cheat Sheet (www.hiregion.com)

Physical Terminations/Connectors (packetlife.net)
Arduino Cheat Sheet (sites.google.com)
Microcontroller cheat sheet (tinkerlog.com)

Haskell Cheat Sheet (cheatsheet.codeslower.com)
Haskell: The Confusing Parts (echo.rsmw.net)
ML: Standard ML, OCaml, F#, Scala, Haskell (hyperpolyglot.wikidot.com)
The Haskell Cheatsheet (cheatsheet.codeslower.com)

Heartbeat cluster cheatsheet (watson-wilson.ca)

Heroku PG Backups Cheat Sheet (www.chipashby.com)

Hibernate: Index of Relationships (www.xylax.net)
Hibernate Mapping Cheat Sheet (www.ndpsoftware.com)
Getting Started with Hibernate Search (refcardz.dzone.com)

Hiccup Cheatsheet (compojure.googlegroups.com)

hping 3 cheatsheet v1.0 [English and Spanish] (www.securitybydefault.com)
hping 3 cheat sheet (sbdtools.googlecode.com)
Misc Tools Cheat Sheet (www.sans.org)

htaccess Cheat Sheet (www.thejackol.com)

Getting Started with Ajax
Getting Started with Firebug 1.5
Core HTML
HTML5: New Standards for Web Interactivity
Web page color table - safe colors for your images (www.chami.com)
HTML color codes and names (www.computerhope.com)
HTML Reference (webref.info)
Zen Coding Cheat Sheet (zen-coding.googlecode.com)
HTML5 Security Cheat Sheet (heideri.ch)
HTML 4.01 Quick Reference Sheet (resources.bravenet.com)
HTML 4.01 / XHTML 1.0 Reference Ordered Alphabetically (www.w3schools.com)
Mobile HTML5 compatibility cheat sheet (mobilehtml5.org)
Form design crib sheet (www.cxpartners.co.uk)
Quick Guide to HTML Tags (www.nobledesktop.com)
Recommended List of DTDs (www.w3.org)
ASCII HTML Codes (www.yellowpipe.com)
HTML 5 Peeks, Pokes and Pointers (diveintohtml5.org)
HTML 4.01 Quick List (www.w3schools.com)
HTML5 Canvas Cheat Sheet (blog.nihilogic.dk)
HTML5 / CSS3 Cheat Sheet (www.storiesinflight.com)
(X)HTML Elements and Attributes (www.elizabethcastro.com)
HTML/XHTML Quick Reference Card (www.explainth.at)
HTML Color Names (www.w3schools.com)
HTML - Special Entity Codes (tlt.its.psu.edu)
HTML Cheat sheet (www.addedbytes.com)
HTML 4.01 / XHTML 1.0 Reference Ordered by Function (www.w3schools.com)
HTML/XHTML Character Entities (www.html.su)
ASCII Character Codes Chart (www.web-source.net)
HTML 5 Glossary (html5doctor.com)
HTML Help Sheet (downloads.gosquared.com)
HTML 3 Cheatsheet (3gwt.net)
Core HTML (refcardz.dzone.com)
HTML 5 pocket book (adactio.com)
HTML Cheat Sheet (lesliefranke.com)
WebGL Cheat Sheet (www.nihilogic.dk)
HTML & XHTML Cheat Sheet (www.petefreitag.com)
HTML5 Cross browser Polyfills (github.com)
HTML 5 Visual (woorkup.com)
What Beautiful HTML Code Looks Like (css-tricks.com)
HTML5 Visual Cheat Sheet (Reloaded) (woorkup.com)
Easily Confused HTML 5 Element Flowchart (html5doctor.com)
HTML & XHTML Tag Quick Reference (library.albany.edu)
HTML Special Characters (www.webmonkey.com)
HTML/XHTML Elements and Valid DTDs (www.w3schools.com)
HTML 5 Pocketbook (adactio.com)
HTML Summary: All your most used HTML Tags on one single page! (borniet.2b-media.be)
HTML / XHTML Standard Attributes (www.w3schools.com)
Web Design All-in-One For Dummies Cheat Sheet (www.dummies.com)
HTML 5 Visual Cheat Sheet by Woork (woork.blogspot.com)
A quick reference guide of HTML tags and their attributes (downloads.techrepublic.com.com)
HTML/XHTML in one page (www.html.su)
Ultimate HTML 5 Cheat Sheet (www.testking.com)
Special Markup and Internationalisation Characters (cloford.com)
HTML Colors Cheatsheet (blog.acodingfool.com)
Javascript Events and Corresponding HTML Tags (www.elizabethcastro.com)
HTML Cheat Sheet (www.angelfire.com)
HTML Character Entities Cheatsheet (blog.acodingfool.com)
(X)HTML Elements and Attributes (www.elizabethcastro.com)
Periodic Table of HTML5 Elements (www.calcresult.com)
HTML Character Entities Cheat Sheet (www.addedbytes.com)
Special Characters in HTML (www.utexas.edu)
W3C Cheatsheet for developers (www.w3.org)
HTML / XHTML Standard Event Attributes (www.w3schools.com)
HTML Tags Chart (www.web-source.net)
HTML Entities interactive (ndpsoftware.com)
HTML 5 Canvas (blog.nihilogic.dk)
HTML 5 Cheat Sheet (www.smashingmagazine.com)
XHTML Character Entity Reference (www.digitalmediaminute.com)
HTML Help Sheet (www.gosquared.com)
HTML Quick Reference Guide (home.cogeco.ca)
HTML Colors Cheatsheet (blog.acodingfool.com)
HTML Syntax Reference (www.squarespace.com)
Character Entity References in HTML 4 and XHTML 1.0 (www.elizabethcastro.com)
HTML cheat sheet (128.196.231.204)
Basic HTML Cheat Sheet (newgate.ca)
(X)HTML Character Entity Reference (www.digitalmediaminute.com)
A Simple Guide to HTML - Cheat Sheet (htmlguide.drgrog.com)
HTML5 & CSS3 Browser Support Checklist (www.findmebyip.com)
Visual Studio 2010 Built-in Code Snippets (ASP.NET, HTML, JavaScript) (john-sheehan.com)
HTML Character Entities (reeddesign.co.uk)
HTML Codes - Characters and symbols (ascii.cl)
HTML Special Character Codes (www.chami.com)
HTML5 Compendium (medialoot.com)
Basic HTML Cheat Sheet (newgate.ca)
HTML Cheat Sheet (www.addedbytes.com)
HTML Entities Quick Reference Card (www.explainth.at)
W3C DOM Compatibility - HTML (www.quirksmode.org)
Special ASCII / HTML Character Symbols Codes (www.yellowpipe.com)
HTML Cheat Sheet (www.psacake.com)
HTML Cheatsheet (www.webmonkey.com)
HTML 5 Cheat Sheet (media.smashingmagazine.com)

HTML 5 Visual Cheat Sheet by Woork (woork.blogspot.com)
HTML5/CSS3 Cheatsheet (www.storiesinflight.com)
HTML 5 Event Attributes (www.w3schools.com)
HTML5 Security Cheatsheet (html5sec.org)
WTF is HTML5 (Infographic) (www.focus.com)
When Can I Use... [Compatibility tables for features in HTML5, CSS3, SVG and upcoming technologies] (a.deveria.com)
HTML5 Compatibility table and code samples (robertnyman.com)
HTML5 Glossary (html5doctor.com)
HTML 5 Cheat Sheet (www.smashingmagazine.com)
HTML5 Peeks, Pokes and Pointers (diveintohtml5.org)
HTML5 Canvas Cheat Sheet v1.x (simon.html5.org)
HTML Cheat Sheet for Transition to HTML 5 (www.html-5.com)
HTML 5 Standard Attributes (www.w3schools.com)
Ultimate HTML5 Cheatsheet (www.testking.com)
HTML5 id/class name cheatsheet (boblet.tumblr.com)
HTML5 compatibility tables (www.quirksmode.org)
The MediaLoot HTML5 Compendium (medialoot.com)
Easily Confused HTML5 Element Flowchart (html5doctor.com)
Periodic Table of the HTML5 Elements (joshduck.com)
HTML5 Canvas Cheat Sheet (blog.nihilogic.dk)
Web Designers' Browser Support Checklist (www.findmebyip.com)
HTML 5 Tag Reference (www.w3schools.com)
What Beautiful HTML Code Looks Like (css-tricks.com)
HTML5 Visual Cheat Sheet (Reloaded) (woorkup.com)
HTML 5 Pocketbook (adactio.com)

Table of character entity references in HTML 4 (www.cs.tut.fi)
HTML Characters listed alphabetically (www.nationalfinder.com)
HTML Symbol Entities Reference (www.w3schools.com)
HTML character codes in the decimal range   to ✏ (www.nationalfinder.com)
Entity Code (entitycode.com)
HTML ASCII Reference (www.w3schools.com)
Most common HTML entity escape characters. (www.htmlescape.net)
Special Characters Reference Sheet (resources.bravenet.com)
Nice Entity - "Find Your Character!" (nice-entity.com)
HTML ISO-8859-1 Reference (www.w3schools.com)
HTML Character Codes for Special Characters (www.html-5.com)
HTML 4.0 Special Characters - My Symbol Cheat Sheet (alpha.cartercole.com)
HTML Ampersand Character Codes (www.nationalfinder.com)
HTML ASCII Characters (www.nationalfinder.com)

Ultimate HTML 5 Cheat Sheet (www.testking.com)
Periodic Table of HTML5 Elements (www.calcresult.com)
HTML 5 Canvas (blog.nihilogic.dk)
HTML5 & CSS3 Browser Support Checklist (www.findmebyip.com)
HTML5 Compendium (medialoot.com)
HTML 5 Cheat Sheet (media.smashingmagazine.com)
HTML5 Security Cheat Sheet (heideri.ch)
Mobile HTML5 compatibility cheat sheet (mobilehtml5.org)
HTML 5 Peeks, Pokes and Pointers (diveintohtml5.org)
HTML5 / CSS3 Cheat Sheet (www.storiesinflight.com)
HTML 5 Glossary (html5doctor.com)
HTML 5 pocket book (adactio.com)
HTML5 Cross browser Polyfills (github.com)
HTML 5 Visual (woorkup.com)
Easily Confused HTML 5 Element Flowchart (html5doctor.com)

HTTP Status Codes Cheat Sheet (authoritylabs.com)
HTTP Server Header Status Codes (www.rield.com)
HTTP Response Cheat Sheet (blog.authoritylabs.com)
HTTP Status Messages (www.w3schools.com)

AIX Quicksheet v1.3.1 (www.tablespace.net)
PowerVM QuickSheet (www.tablespace.net)
AIX QuickStart (www.tablespace.net)
PowerVM QuickStart (www.tablespace.net)
AIX Quicksheet v2.0.0 (www.tablespace.net)

Domino URL cheat sheet (www.ibm.com)

jQueryUI Icons Cheatsheet (www.petefreitag.com)
Skype Emoticons Cheatsheet v1.2.5 (factoryjoe.com)
Icon Reference Chart (hicksdesign.co.uk)

Reverse-Engineering Malware Cheat Sheet (zeltser.com)

CSS Compatibility with Internet Explorer 6, 7 and 8 (tutorialfeed.blogspot.com)

IEEE 802.11 Wireless cheat sheet (packetlife.net)

Apache and IIS PHP $_SERVER Superglobal Comparision (koivi.com)

Adobe Illustrator CS4 useful keyboard shortcuts (www.nobledesktop.com)
Essential Keyboard shortcuts cards (ftp.futurenet.co.uk)

iMovie and iPhoto: Quick Cheat Sheet (4jtilt.wikispaces.com)

Incanter Cheat Sheet (incanter-blog.org)

Essential Keyboard shortcuts cards (ftp.futurenet.co.uk)

Common formulae of information theory (www.maths.qmul.ac.uk)

Informix SQL Injection Cheat Sheet (pentestmonkey.net)

SQL Injection Cheat Sheet (michaeldaw.org)
Ingres SQL Injection Cheat Sheet (pentestmonkey.net)

Common Derivatives and Integrals Cheat Sheet (tutorial.math.lamar.edu)

IntelliJ IDEA Refcard (refcardz.dzone.com)

Physical Terminations/Connectors (packetlife.net)

W3C Cheatsheet for developers (www.w3.org)

60 keyboard shortcuts to move faster in Microsoft Internet Explorer 7 [Registration Required] (downloads.techrepublic.com.com)
Internet Explorer 8 Bugs (jhop.me)
Visual Cheat Sheet: CSS Compatibility with Internet Explorer 6, 7 and 8 (tutorialfeed.blogspot.com)
Ultimate IE6 Cheatsheet: How To Fix 25+ Internet Explorer 6 Bugs (www.virtuosimedia.com)
CSS Compatibility with Internet Explorer 6, 7 and 8 (tutorialfeed.blogspot.com)
When Can I Use... [Compatibility tables for features in HTML5, CSS3, SVG and upcoming technologies] (a.deveria.com)
Internet Explorer 7 Quick Reference Sheet (www.microsoft.com)
Visual Cheat Sheet: IE 8 and Firefox 3.5 Keyboard Shortcuts (tutorialfeed.blogspot.com)
Windows Keyboard Shortcuts (www.mistywindow.com)
Internet Explorer shortcut keys (www.computerhope.com)

IPv6 Cheat Sheet (www.estoile.com)
IPv6 TCP/IP and tcpdump Pocket Reference Guide (www.sans.org)
IOS Interior Routing Protocols Poster (packetlife.net)
IPv4 network addressing cheat sheet, with CIDR notation, number of addresses, and masks. (wiki.samat.org)
Internet Protocol Version 6 (IPv6) Basics cheat sheet (www.roesen.org)

Quick Reference to IRC's Commands (www.greenday.net)
IRC cheatsheet (conshell.net)
wikiHow:IRC Cheat Sheet (www.wikihow.com)
General IRC Commands (t0x.in)
Freenode Commands (t0x.in)

Embeddable Languages: Tcl, Lua, JavaScript, Io (hyperpolyglot.org)
Small Scripting Languages: Bash, Tcl, Lua, JavaScript, Io (hyperpolyglot.wikidot.com)

Objective-C for the iPhone and iPad
"Flex Mobile Development: Build Apps for Android, iOS, and BlackBerry Tablet OS"
iOS Design Cheat Sheet (ivomynttinen.com)
iOS Fonts Cheat Sheet (www.iosfonts.com)

IPsec Cheat Sheet (packetlife.net)

iOS Fonts Cheat Sheet (www.iosfonts.com)
The iOS Design Cheat Sheet (ivomynttinen.com)
Icon Reference Chart (hicksdesign.co.uk)
iOS Design Cheat Sheet (ivomynttinen.com)

The iOS Design Cheat Sheet (ivomynttinen.com)
Icon Reference Chart (hicksdesign.co.uk)
iOS Design Cheat Sheet (ivomynttinen.com)
iPhone Distribution Build Cheatsheet (iphonedevelopertips.com)
iPhone/iPod Touch Voice Commands Cheat Sheet for iOS 4 (atmac.org)
Xcode Objective-C Macros For iPhone Programmers (www.mobileorchard.com)
iPhone Application Development For Dummies (www.dummies.com)
iPhone 4 Voice Command Cheat Sheet (atmac.org)
iOS Fonts Cheat Sheet (www.iosfonts.com)
Voice Command Cheat Sheet for iPhone OS 3.2 (atmac.org)
jQTouch Cheat Sheet (blog.peepcode.com)

iMovie and iPhoto: Quick Cheat Sheet (4jtilt.wikispaces.com)

IPsec Cheat Sheet (packetlife.net)

iptables examples (www.readylines.com)
Iptables Cheat Sheet (wiki.timgurney.net)

IPv6 TCP/IP and tcpdump Pocket Reference Guide (www.sans.org)
IPv6 Basic Cheat Sheet v 0.9 (www.roesen.org)
IPV6 Cheat Sheet (www.roesen.org)
IPv6 Address Types (www.ripe.net)

Ircle Reference - Commands (www.ircle.com)

IOS Interior Routing Protocols Poster (packetlife.net)

iTunes Mac 9.2 Help: Keyboard Shortcuts (docs.info.apple.com)
Mac OS X Leopard: 200+ Productivity Booster Keyboard Shortcuts (www.usingmac.com)

Math Languages: Sage, Octave, R, J, Factor (hyperpolyglot.wikidot.com)

Getting Started with LiveCycle Data Services ES
Spring Annotations
The Top Twelve Integration Patterns for Apache Camel
EclipseLink JPA: An Advanced ORM Persistence Framework
Getting Started with Infinispan
Flex 4 and Spring 3 Integration
JDBC Best Practices
Getting Started with BIRT
Spring Roo: Making Java Fun Again
Spring Web Flow
Getting Started with Apache Wicket
NetBeans IDE 7: Programming in Java 7
Core Java Concurrency
NetBeans Platform 7.0: A Framework for Building Pluggable Enterprise Applications
Seam UI
Apache Maven 2
Getting Started with Apache Ant
Core Java
Getting Started with BlazeDS
Liferay Essentials: A Definitive Guide for Enterprise Portal Development
Using XML in Java
Spring Configuration
Getting Started with Java EE Security
JBoss RichFaces
"GWT Style, Configuration and JSNI Reference"
Google App Engine for Java
Expression-Based Authorization with Spring Security 3
Getting Started with JavaFX
JUnit and EasyMock
Essential EMF
Java Enterprise Edition 6: The Most Elegant Enterprise Java yet
Essential JSP Expression Language
Mastering Portal UI Development With Vaadin and Liferay
Struts2
Getting Started with GlassFish Application Server v3
Getting Started with MyEclipse
Vaadin: A Familiar Way to Build Web Apps with Java
Getting Started with JPA
Getting Started with Equinox and OSGi
Dependency Injection in EJB 3
Mastering Portals with a Portlet Bridge
Getting Started with JBoss Enterprise Application Platform 5
Getting Started with Hibernate Search
RichFaces 4.0: A Next Generation JSF Framework
JavaServer Faces 2.0
Getting Started with Java GUI Development
Understanding Lucene: Powering Better Search Results
What's New in JPA 2.0
Apache Tapestry 5.0
Leveraging ColdFusion 9 Exposed Services from Java
Getting Started with Caucho Resin
Flex & Spring Integration
Functional Programming with Clojure: Simple Concurrency on the JVM
JavaServer Faces
Contexts and Dependency Injection for the Java EE Platform
Getting Started with Maven Repository Management
Eclipse Tools for Spring: The SpringSource Tool Suite
Very First Steps in Flex
Core Seam
Getting Started with Spring-DM
Groovy
Java Collections JDK 6.0 Cheatsheet V2 (www.coderfriendly.com)
Java (JS2E 5.0) and C# Comparison (www.harding.edu)
Java Reference Sheet (downloads.dreamincode.net)
Getting Started with Java GUI Development (refcardz.dzone.com)
Java 1.5 Cheat Sheet (www.petefreitag.com)
EJB Cheat Sheet (www.tek271.com)
Java Reference (webref.info)
Chuleta de Java [Spanish] (www.it.uc3m.es)
Java Programming Notes (www.leepoint.net)
Java Syntax Cheat Sheet (lesliefranke.com)
Java 7 API Specification (download.oracle.com)
Objective-C Reference Card for Java Programmers (www.mecodegoodsomeday.com)
Java Syntax (codesyntax.netfirms.com)
Java cheat sheet for C++ programmers (www.math.ncsu.edu)
JavaFX Script Reference (jarfiller.com)
Java Syntax (lesliefranke.com)
Java Quick Reference Sheet (www.dreamincode.net)
Platform Languages: C, C++, Objective C, Java, C# (hyperpolyglot.wikidot.com)
C++ and Java Syntax Differences Cheat Sheet (www.cprogramming.com)

JavaFX Script Reference (jarfiller.com)

JavaFX Language Reference (openjfx.java.sun.com)
JavaFX Script Reference (jarfiller.com)

Selenium 2.0: Using the WebDriver API to Create Robust User Acceptance Tests
Getting Started with Selenium
Vaadin: A Familiar Way to Build Web Apps with Java
Node.js: Building for Scalability with Server-Side JavaScript
Getting Started with Ajax
"GWT Style, Configuration and JSNI Reference"
jQuery Selectors
Getting Started with Firebug 1.5
JavaScript syntax (en.wikipedia.org)
JavaScript Cheat Sheet (encycode.com)
Symfony Cheat Sheet - JavaScript and AJAX Helpers (andreiabohner.wordpress.com)
Javascript in Ten Minutes (javascript.infogami.com)
Twitter @Anywhere Javascript API Cheat Sheet (platform.twitter.com)
Javascript Events and Corresponding HTML Tags (www.elizabethcastro.com)
Node.JS Help Sheet (downloads.gosquared.com)
Javascript Cheat Sheet (www.addedbytes.com)
jQuery 1.2 API (www.quicklycode.com)
Regular Expressions in JavaScript (www.evolt.org)
Javascript Features (js.codu.org)
Scriptaculous (slash7.com)
Regular Expressions for JavaScript (www.visibone.com)
Javascript (www.addedbytes.com)
What’s Ajax (slash7.com)
Javascript in one page – Cheat Sheet (www.javascript.su)
JavaScript and Browser Objects Quick Reference (JavaScript Bible, 6th Edition -- Appendix A) (www.dannyg.com)
Visual Studio 2010 Built-in Code Snippets (ASP.NET, HTML, JavaScript) (john-sheehan.com)
Prototype 1.5.0_pre0 Cheat Sheet (www.snook.ca)
Small Scripting Languages: Bash, Tcl, Lua, JavaScript, Io (hyperpolyglot.wikidot.com)
JavaScript and Browser Objects Quick Reference (www.dannyg.com)
Prototype 1.6.0.2 Cheat Sheet (perfectionkills.com)
JavaScript Reference (javascript-reference.info)
Underscore.js API Cheat sheet (aveic.ru)
Microsoft Ajax Library cheat sheets (aspnetresources.com)
jQuery Visual Cheat Sheet 1.6 (woorkup.com)
Prototype 1.5.0 Cheat Sheet (www.snook.ca)
Addison-Wesley's JavaScript Reference Card (wps.aw.com)
Prototype 1.5.0 (snook.ca)
JavaScript in one page (www.javascript.su)
Embeddable Languages: Tcl, Lua, JavaScript, Io (hyperpolyglot.org)
jQuery 1.4 API Cheat Sheet (www.futurecolors.ru)
JavaScript Quick Reference Card (www.explainth.at)
JavaScript 5.6/VBScript Regular Expression Syntax (www.regextester.com)
JavaScript & AJAX For Dummies Cheat Sheet (www.dummies.com)
CSS Properties To JavaScript Reference Conversion (codepunk.hardwar.org.uk)
Field Guide to Scriptaculous Combination Effects (www.slash7.com)
JavaScript Reference (webref.info)
Javascript - DOM Event compatibility tables (www.quirksmode.org)

JavaScriptMVC Cheat Sheet (jupiterjs.com)

JavaServer Faces 2.0 (refcardz.dzone.com)
JavaServer Faces HTML Tags Reference (www.exadel.com)
JavaServer Faces (refcardz.dzone.com)

JavaServer Pages (JSP) Syntax version 1.2 (java.sun.com)
JavaServer Pages (JSP) Syntax version 1.1 (java.sun.com)
JavaServer Pages (JSP) Syntax version 2.0 (java.sun.com)

jMock 2 Cheat Sheet (www.jmock.org)

Joomla (www.db8.nl)
Joomla Template Cheat Sheet (www.mediafire.com)
Joomla 1.5 Basic Template Cheatsheet (www.younic.de)

joomla template cheat sheet (www.designorbus.com)
Joomla 1.5 Templating Cheat Sheet (www.nickyeoman.com)
Joomla 1.5 Basic Template Cheatsheet (www.younic.de)
Joomla! For Dummies Cheat Sheet (www.dummies.com)
Joomla Quick Reference Guide v 1.5 (www.db8.nl)
Joomla 1.5 Cheat Sheet - Template Tags (snapsize.com)

jQTouch Cheat Sheet (blog.peepcode.com)
jQTouch Cheat Sheet (blog.peepcode.com)

jQuery 1.2 Cheat Sheet v1.0 (www.gscottolson.com)
jQuery 1.4 API Cheat Sheet (www.futurecolors.ru)
jQuery 1.4.2 Visual Cheat Sheet (woorkup.com)
jQuery 1.3 Visual Cheat Sheet (woork.blogspot.com)
jQuery - Select element cheat sheet (www.myphpetc.com)
jQuery Visual Cheat Sheet 1.6 (woorkup.com)
jQTouch Cheat Sheet (blog.peepcode.com)
jTouch - jQuery Cheat Sheet for iPhone (jtouch.colorcharge.com)
jQuery 1.3.2 Cheat Sheet (www.javascripttoolbox.com)
jQuery 1.5 Visual Cheat Sheet (woorkup.com)
Visual jQuery 1.2.6 (www.visualjquery.com)
jQuery 1.4 API Cheat Sheet (www.futurecolors.ru)
jQuery - YUI3 Rosetta Stone (carlos.bueno.org)
jQuery Selectors (codylindley.com)
jQuery 1.3 Quick API Reference (oscarotero.com)
jQuery cheatsheet wallpaper (chris4403.blogspot.com)
jQuery 1.2 Cheat-sheet (colorcharge.com)
jQuery Mobile UI Cheat Sheet (brooky.cc)
jQuery 1.3 Cheatsheet (blog.acodingfool.com)
jQuery Visual Cheat Sheet 1.6 (woorkup.com)
jQuery1.1 Cheat Sheet (n-bp.com)
jQuery 1.1.3 Cheat Sheet (www.javascripttoolbox.com)
jQAPI - Alternative jQuery Documentation (jqapi.com)
jQuery CSS Cheat Sheet (www.myphpetc.com)
jQuery 1.2 API (www.quicklycode.com)
jQuery 1.3 cheat sheet wallpaper (www.gmtaz.com)
jQuery 1.4.2 Visual Cheat Sheet (woorkup.com)
jQuery Selectors and Attribute Selectors Cheat-Sheet (dynamicguy.com)
jQuery 1.5 Visual Cheat Sheet (woorkup.com)
jQuery Selectors (refcardz.dzone.com)
JQuery 1.4 Cheat Sheet (labs.impulsestudios.ca)
jQuery 1.4 Cheat Sheet (labs.impulsestudios.ca)
jQuery API (remysharp.com)
jQuery API Browser (api.jquery.com)
Visual jQuery (visualjquery.com)

jQuery Mobile UI Cheat Sheet (brooky.cc)

jQueryUI Icons Cheatsheet (www.petefreitag.com)
jQuery UI - Effects cheat sheet (jn.orz.hm)

JQuery Validator Cheat Sheet (elegantcode.com)

JSP 2.0 XML Cheat Sheet (ndpsoftware.com)

JSTL Quick Reference (www.cs.uiowa.edu)

JUnit 4.0 Cheat Sheet (www.codign.com)
JUnit and EasyMock Refcard (refcardz.dzone.com)

JUNOS for Dummies Cheat Sheet (www.dummies.com)

Kubuntu and KDE Cheatsheet (blogs.howtogeek.com)
Linux cheat sheet: KDE and Konquerer keyboard shortcuts [Registration required] (downloads.techrepublic.com.com)
Kubuntu and KDE Cheatsheet (blogs.howtogeek.com)
Gnome / KDE Keyboard Shortcuts (www.novell.com)

100 Mac Keyboard Shortcuts for Creating Symbols (www.usingmac.com)

Kohana 3 Cheat Sheet (kohana.sher.pl)
Kohana Events Sequence Cheat Sheet (brotkin.ru)

Linux cheat sheet: KDE and Konquerer keyboard shortcuts [Registration required] (downloads.techrepublic.com.com)
Kubuntu and KDE Cheatsheet (blogs.howtogeek.com)

KSH Cheat Sheet (www.eec.com)
Ksh Summary - basic reference for the Korn Shell (www.eec.com)

Kubuntu and KDE Cheatsheet (blogs.howtogeek.com)
Kubuntu and KDE Cheatsheet (blogs.howtogeek.com)

KumbiaPHP Spirit 1.0 beta1 Cheat Sheet (wiki.kumbiaphp.com)

Slicehost and Linode LAMP Cheat Sheet (postpostmodern.com)

HTML ISO Language Code Reference (www.w3schools.com)

Programming Language Popularity Ranking (www.dataists.com)

Table of Laplace Transforms (tutorial.math.lamar.edu)

LaTeX (www.stdout.org)
LATEX-Referenzkarte [German] (www.jamesie.de)
LaTeX Quick Reference (dataninja.wordpress.com)
LaTex Reference (www.terminally-incoherent.com)
LaTeX Cheat Sheet (www.stdout.org)
Vim LaTex-Suite Reference Card (users.physik.fu-berlin.de)
AMS-LaTeX Reference Card v.2.0 (www.math.brown.edu)

ldapsearch one-liners (www.readylines.com)

Lift Cheat Sheet (wiki.liftweb.net)

Adobe Photoshop Lightroom 3 shortcuts (blogs.adobe.com)

Sage Quick Reference: Linear Algebra (wiki.sagemath.org)

The Social Media Cheat Sheet (drewmclellan.typepad.com)
The CMO's Guide To The Social Media Landscape (www.cmo.com)
Using LinkedIn for Business CHEAT SHEET (www.leveltendesign.com)

Slicehost (and Linode) LAMP Cheatsheet (postpostmodern.com)
Slicehost and Linode LAMP Cheat Sheet (postpostmodern.com)

LINQ Query Operators Cheatsheet (blog.acodingfool.com)
LINQ Cheat Sheet (weblogs.asp.net)
LINQ Poster (www.infosupport.com)
LINQ to SQL cheat sheet (damieng.com)
LINQ Standard Query Operator Cheat Sheet (aspnetresources.com)

rpm command cheat sheet for Linux (www.cyberciti.biz)
Debian GNU/Linux Reference Card (tangosoft.com)
CHMOD Chart (www.draac.com)
OpenSSH quick reference (www.quicklycode.com)
dpkg command cheat sheet for Debian Linux (www.cyberciti.biz)
Unix Toolbox (cb.vu)
Rosetta Stone for Unix (bhami.com)
Linux commands (www.logicalwebhost.com)
My Unix cheat sheet - Working with filesystem (icodeinc.com)
apt-get command cheat sheet for Debian Linux (www.cyberciti.biz)
Linux shell commands (www.suso.com)
Linux Cheat Sheet (peterlombardo.wikidot.com)
Bash Programming Cheat Sheet (www.linux-sxs.org)
Fedora 14 Reference Cheat sheet (files.digitizor.com)
Bash Commands for Linux (ss64.com)
Using Linux the CLI way - Cheat Sheet (www.xminc.com)
Linux Cheat Sheet for Mac and Windows Programmers (developer.mozilla.org)
Evelyn's LINUX Cheat Sheet (theory.chem.umn.edu)
Kubuntu and KDE Cheatsheet (blogs.howtogeek.com)
Quick Reference: UNIX Commands (it.unm.edu)
Linux keyboard shortcuts - 2.0 (www.tuxfiles.org)
Linux cheat-sheet: reminders and tips for the memory challenged (www.andrewolong.com)
Linux Shell Commands (www.suso.com)
Package Management Cheatsheet (lpilinux.com)
Shell Programming Quick Reference Guide (www.mikeoliveri.com)
Anatomy of a Linux System (www.oreillynet.com)
Debian Linux apt-get package management cheat sheet (www.cyberciti.biz)
Unix/Linux Command Reference (files.fosswire.com)
DOS to Linux Cheat Sheet (www.redhat.com)
Fedora 13 Reference Cheat Sheet (digitizor.com)
Linux Security Quick Reference Guide (www.linuxsecurity.com)
Der Linux-Spicker [German] (www.edenhofer.org)
Linux Newbie Guide: Shortcuts and Commands (www.unixguide.net)
Linux Package Management Cheatsheet (lpilinux.com)
Unix Toolbox (cb.vu)
Ubuntu keyboard shortcut cheatsheet (dl.dropbox.com)
APT HOWTO (www.debian.org)
Slicehost and Linode LAMP Cheat Sheet (postpostmodern.com)
Solaris QuickSheet (www.tablespace.net)
Unix/Linux Command Cheat Sheet (fosswire.com)
Linux Cheat Sheet (wiki.typo3.org)
Brief overview of Unix / Linux commands (www.computerhope.com)
Linux Command-Line Cheat Sheet (www.computerworld.com)
Slicehost (and Linode) LAMP Cheatsheet (postpostmodern.com)
Icon Reference Chart (hicksdesign.co.uk)
VI / VIM (Linux Terminal) Help Sheet (downloads.gosquared.com)
Linux Command Line (www.linuxguide.it)
The humble Linux cheat sheet (www.tuxfiles.org)
Linux Networking Cheat Sheet (watson-wilson.ca)
Ubuntu Cheat Sheet (fosswire.com)
Alphabetical Directory of Linux Commands (www.oreillynet.com)
Linux Cheat Sheet (www.ezlinuxadmin.com)
UNIX / Linux Shell Cheat Sheet (steve-parker.org)
Linux Commands - A Practical Reference (www.pixelbeat.org)
Linux Cheat Sheet (www.linuxhelp.net)
Linux auf einem Blatt [German] (www.helmbold.de)
Unix Tool Box (wiki.timgurney.net)
My Unix cheat sheet - Networking (icodeinc.com)

Lisp Cheat Sheet (weatherspud.wikidot.com)
Lisp Reference (www.terminally-incoherent.com)
Common Lisp Quick Reference (clqr.berlios.de)
Lisp: Common Lisp, Scheme, Clojure, Emacs Lisp (hyperpolyglot.wikidot.com)

Keyboard shortcuts for Lotus Notes users [Registration required] (downloads.techrepublic.com.com)

Lua Cheat Sheet (coffeeghost.net)
Embeddable Languages: Tcl, Lua, JavaScript, Io (hyperpolyglot.org)
Lua 5.1 - A Short Reference (www.capgo.com)
Lua Short Reference (thomaslauer.com)
Small Scripting Languages: Bash, Tcl, Lua, JavaScript, Io (hyperpolyglot.wikidot.com)

LyX Keybindings - Mac.bind (Mac OS X) (wiki.lyx.org)
LyX 1.3: Keyboard Shortcuts (wiki.lyx.org)
LyX keyboard shortcuts for OS X (disinterested.googlepages.com)

100 Mac Keyboard Shortcuts for Creating Symbols (www.usingmac.com)
Apple Final Cut Pro 5 Keyboard Shortcuts (www.nobledesktop.com)
OS X 10.7 Lion Gesture Cheat Sheet (www.cnet.co.uk)
Mac OS X Keyboard Cheat Sheet (www.quicklycode.com)
Mac Os char keys (www.gosquared.com)
Safari Commands Cheat Sheet for MacSpeech Dictate (atmac.org)

Ultimate Switcher Guide: Windows PC to Mac Keyboard Shortcuts (www.myfirstmac.com)
Apple OS X Commands (ss64.com)
Basic OS X Keyboard Shortcuts (atmac.org)
Macintosh Accent Codes (tlt.its.psu.edu)
Mac OS X Leopard Keyboard Shortcuts (oreilly.com)
Icon Reference Chart (hicksdesign.co.uk)
Mac Glyphs: Reference for EVERY Character Key on a Mac (www.gosquared.com)
Mac OS X Leopard: 200+ Productivity Booster Keyboard Shortcuts (www.usingmac.com)
Mac OS X keyboard shortcuts (support.apple.com)
The OS X Keyboard Cheat Sheet (devcheatsheet.com)
Mac OS X Keyboard Commands (homepage.mac.com)
MySQL Reference for OS X (www.comentum.com)
Apple Macintosh shortcut keys (www.computerhope.com)
My Mac Cheat Sheet (support.apple.com)
70+ Keyboard shortcuts to move faster in Apple Mac OS X [Registration required] (downloads.techrepublic.com.com)
Rosetta Stone for Unix (bhami.com)
100 Mac Keyboard Shortcuts for Creating Symbols (www.usingmac.com)
Dan Rodney's List of Mac OS X Keyboard Shortcuts & Keystrokes (www.danrodney.com)

Keyboard Shortcut Cards (Bundle) (www.computerarts.co.uk)

Mail.app Commands Cheat Sheet for MacSpeech Dictate 1.2.1 (atmac.org)
Safari Commands Cheat Sheet for MacSpeech Dictate (atmac.org)
Safari Commands Cheat Sheet for MacSpeech Dictate 1.3 (atmac.org)
MacSpeech Dictate Global Commands List & Cheat Sheet for 1.2.1 (atmac.org)

Magento Developer Cheatsheet (www.extensionprogrammer.com)
Magento 1.4 Admin Menu Crib Sheet (media01.screencastworld.com)
Magento Events Cheat Sheet (www.quicklycode.com)
Magento-Cheatsheet (blog.ebene7.com)
Magento Template Development Cheat Sheet (welikeitfresh.com)
Magento Event/Observer Hooks Cheat Sheet (www.nicksays.co.uk)
Magento Developer Cheatsheet (www.extensionprogrammer.com)
Magento 1.4 Admin Menu Quick Reference Guide (screencastworld.com)
Magento Template Development Cheat Sheet (welikeitfresh.com)
Magento Events Cheat Sheet (activecodeline.com)

Reverse-Engineering Malware Cheat Sheet (zeltser.com)

Maple 11 Cheat Sheet (math.mtsac.edu)
Maple 11 Cheat Sheet (math.mtsac.edu)

Hibernate Mapping Cheat Sheet (www.ndpsoftware.com)

Google Maps Cheat Sheet (www.quicklycode.com)

Markdown Syntax Reference (www.squarespace.com)
Markdown Syntax Cheat Sheet (cdn4.libsyn.com)
Markdown Cheat Sheet (effectif.com)
Markdown Cheatsheet (ahren.org)
Markdown and PHP Markdown Extra Cheat Sheet (blog.thingoid.com)
Markdown Web Dingus (with Syntax Cheatsheet) (daringfireball.net)
Markdown Cheat Sheet (support.mashery.com)
Markdown Syntax Cheatsheet (www.scottboms.com)
Markdown cheat sheet (warpedvisions.org)
Markdown syntax cheat sheet (media.libsyn.com)
Markdown & Pygments Lexers Cheat Sheet (joedicastro.com)
Markdown cheatsheet (lucindo.com.br)
$ cheat markdown (cheat.errtheblog.com)

The CMO's Guide To The Social Media Landscape (www.cmo.com)
Google AdWords Cheat Sheet (sharewarepromotions.com)
Marketing Automation Cheat Sheet (www.marketo.com)

Trigonometry cheat sheet (tutorial.math.lamar.edu)
Algebra (tutorial.math.lamar.edu)
Mathematica Keyboard Shortcuts Card (library.wolfram.com)
A Matlab Cheat-sheet (web.mit.edu)
Maple 11 Cheat Sheet (math.mtsac.edu)
Probability Theory Cheat Sheet (kom.aau.dk)
Table of Laplace Transforms (tutorial.math.lamar.edu)
Useful inequalities cheat sheet (www.lkozma.net)
LaTeX (www.stdout.org)
Common Derivatives and Integrals Cheat Sheet (tutorial.math.lamar.edu)
Theoretical computer science cheat sheet (www.tug.org)

Wolfram Mathematica Keyboard Shortcut Listing (reference.wolfram.com)
Mathematica commands summary (cheat sheet) (www.maths.qmul.ac.uk)
Mathematica Keyboard Shortcuts Card (library.wolfram.com)
Mathematica Keyboard Shortcuts Card (library.wolfram.com)
Just Enough Mathematica to Make you Dangerous (www.uoregon.edu)

Mathematical Markup Language (MathML) (www.mathml.su)

MATLAB Cheatsheet I (www.physics.ohio-state.edu)
NumPy for MATLAB users (mathesaurus.sourceforge.net)
R for MATLAB users (mathesaurus.sourceforge.net)
MATLAB Quick guide sheet (www.livephysics.com)
MATLAB Cheatsheet II (www.physics.ohio-state.edu)
Matlab cheat sheet (128.196.231.204)
A Matlab Cheat-sheet (web.mit.edu)

Maven Quick Reference Card (maven.apache.org)
$ cheat maven (cheat.errtheblog.com)
Getting Started with Maven Repository Management (refcardz.dzone.com)
Maven 2 Cheat Sheet (nbtconsulting.com)
Apache Maven 2 Refcard (refcardz.dzone.com)
Maven Command Line Cheatsheet (community.jivesoftware.com)

MediaWiki Cheat Sheet (upload.wikimedia.org)

Mercurial Usage (www.ivy.fr)
Mercurial for Git users - Command equivalence table (mercurial.selenic.com)
Mercurial Cheat Sheet (blog.edong.net)
Getting started with Mercurial on Windows (subjunctive.us)
Mercurial Quick Start (www.ivy.fr)
Mercurial usage cheat sheet (www.ivy.fr)
Mercurial Quick Start Cheatsheet (www.andrewbolster.info)
Mercurial Quick Start (www.ivy.fr)
Git hg rosetta stone (wiki.sympy.org)

Misc Tools Cheat Sheet (www.sans.org)

Microcontroller cheat sheet (tinkerlog.com)

MicroEmacs Reference Card (www.jamesie.de)

Microformats Cheat Sheet (www.addedbytes.com)
Microformats Cheat Sheet (suda.co.uk)
HTML5 id/class name cheatsheet (boblet.tumblr.com)
Microformats Cheat Sheet (www.addedbytes.com)

Microsoft Ajax Library cheat sheets (aspnetresources.com)
Microsoft SQL Server Cheat Sheet (www.addedbytes.com)
Outlook 2011 keyboard shortcut cheat sheet (files.macworld.com)

RegExLib.com Regular Expression Cheat Sheet (.NET) (www.regxlib.com)
ASP / VBScript Cheat Sheet (www.addedbytes.com)
.NET String Formatting Cheatsheet (blog.acodingfool.com)
Core C# and .NET Quick Reference (www.corecsharp.net)
.NET Reference (webref.info)
LINQ Standard Query Operator Cheat Sheet (aspnetresources.com)
XAML for WPF Cheat Sheet (blog.blueboxes.co.uk)
Microsoft .NET Framework 3.5 Commonly Used Types and Namespaces (download.microsoft.com)
VB.NET Basics Reference Sheet (www.dreamincode.net)

Keyboard Shortcuts - Microsoft Office Access 2003 (office.microsoft.com)
Access 2000 Keyboard Shortcuts (www.fgcu.edu)
Keyboard shortcuts for Access 2007 (office.microsoft.com)
70+ Keyboard shortcuts to move faster in Microsoft Access [Registration required] (downloads.techrepublic.com.com)

Excel 2007 Cheat Sheet: Quick reference charts (www.computerworld.com)
Excel 2000 Keyboard Shortcuts (www.fgcu.edu)
Excel Cheat Sheet (www.carleton.edu)
Excel 2007 shortcut and function keys (office.microsoft.com)
Excel 2010 Keyboard Shortcuts (office.microsoft.com)
85 keyboard shortcuts for moving faster in Microsoft Excel [Registration Required] (downloads.techrepublic.com.com)
The Ultimate Excel Cheatsheet [multiple downloads] (www.investintech.com)
Microsoft Excel shortcut keys (www.computerhope.com)
Keyboard Shortcuts - Microsoft Office Excel 2003 (office.microsoft.com)
Excel keyboard shortcuts [Registration required] (downloads.techrepublic.com.com)
Microsoft Excel Cheat Sheet (www.cogniview.com)

Exchange Management Shell Quick Reference (www.microsoft.com)

Exchange Management Shell Quick Reference (www.microsoft.com)

Getting Started with Silverlight and Expression Blend (refcardz.dzone.com)

FrontPage 2000 Keyboard Shortcuts (www.fgcu.edu)
Keyboard Shortcuts for FrontPage 2003 (office.microsoft.com)
Microsoft FrontPage shortcut keys (www.computerhope.com)

Keyboard Shortcuts - Microsoft Office InfoPath 2003 (office.microsoft.com)

Access 2000 Keyboard Shortcuts (www.fgcu.edu)
Quick Reference Card - Keyboard shortcuts in the 2007 Office system (office.microsoft.com)
Microsoft Project 2010 Quick Reference Card (www.epmarchitects.com)
PowerPoint 2003 Personal Trainer Quick Reference Card (www.oreilly.com)
Microsoft Office 2007 Quick Reference Card (www.customguide.com)
Excel 2000 Keyboard Shortcuts (www.fgcu.edu)
PowerPoint 2000 Keyboard Shortcuts (www.fgcu.edu)
FrontPage 2000 Keyboard Shortcuts (www.fgcu.edu)
Word 2000 Keyboard Shortcuts (www.fgcu.edu)

Keyboard Shortcuts - Microsoft Office OneNote 2003 (office.microsoft.com)

Microsoft Outlook shortcut keys (www.computerhope.com)
Keyboard Shortcuts for Outlook 2003 (office.microsoft.com)
80+ Keyboard shortcuts to move faster in Microsoft Outlook [Registration Required] (downloads.techrepublic.com.com)
Outlook keyboard shortcuts (blogs.technet.com)
Keyboard Shortcuts for Outlook 2007 (office.microsoft.com)

PowerPoint 2000 Keyboard Shortcuts (www.fgcu.edu)
Keyboard shortcuts for PowerPoint 2007 (office.microsoft.com)
50+ Keyboard shortcuts to move faster in Microsoft PowerPoint [Registration Required] (downloads.techrepublic.com.com)
Keyboard Shortcuts - Microsoft Office Powerpoint 2003 (office.microsoft.com)
PowerPoint 2003 Personal Trainer Quick Reference Card (www.oreilly.com)

Microsoft Project 2010 Quick Reference Card (www.epmarchitects.com)

Keyboard Shortcuts for Microsoft Publisher 2003 (office.microsoft.com)

Microsoft Silverlight 2 Developer Reference Poster (blogs.msdn.com)
Microsoft Silverlight 1.1 Alpha Developer Reference Poster (www.microsoft.com)
Silverlight 2 Refcard (refcardz.dzone.com)
Adobe Flex vs Microsoft Silverlight (www.newdrp.com)
Getting Started with Silverlight and Expression Blend (refcardz.dzone.com)

SQL Server 2005 System Views Map (www.microsoft.com)
SQL Injection Cheat Sheet (michaeldaw.org)
More MSSQL MYSQL oddities... cheatsheet (jgraphis.com)
SQL Server Driver for PHP Cheat Sheet (blogs.msdn.com)
MSSQL Injection Cheat Sheet (pentestmonkey.net)
SQL Server T-SQL Cheat Sheet (www.petefreitag.com)
SQL Server 2005 Commands (ss64.com)
SQL Server 2008 System Views Map (www.microsoft.com)
SQL Injection Cheat Sheet (ferruh.mavituna.com)
SQL Server Cheat Sheet (blog.sqlauthority.com)
SQL Server Cheat Sheet (www.addedbytes.com)

Keyboard shortcuts for Microsoft Office Visio 2007 (office.microsoft.com)
Microsoft Visio 2007 Quick Reference Card (www.customguide.com)
Keyboard Shortcuts - Microsoft Office Visio 2003 (office.microsoft.com)

Microsoft Visual C# Default Keybindings for Visual Studio 2005 (download.microsoft.com)
Visual Studio .NET 2005 Keyboard Shortcuts (www.codinghorror.com)
Microsoft Visual Visual Basic 2010 Default Key Bindings Card (www.microsoft.com)
Visual C++ 2005 Keyboard Shortcut Reference Poster (www.microsoft.com)
Microsoft Visual C++ 2010 Default Key Bindings Card (www.microsoft.com)
Visual Studio 2010 Built-in Code Snippets (C#) (john-sheehan.com)
Microsoft Visual C# Default Keybindings for Visual Studio 2008 (www.microsoft.com)
Visual C++ 2008 Keybinding Reference Poster (www.microsoft.com)
Microsoft Visual C# 2010 Default Key Bindings Card (www.microsoft.com)
The Most Useful Keyboard Shortcuts for .NET Developers (mahdi.mp)
Microsoft Visual Basic Default Keybindings for Visual Studio 2005 (download.microsoft.com)
Microsoft Visual F# 2010 Default Key Bindings Card (www.microsoft.com)
Visual Studio 2008 Built-in Code Snippets (C#) (john-sheehan.com)
Visual Studio 2010 Built-in Code Snippets (ASP.NET, HTML, JavaScript) (john-sheehan.com)
Microsoft Visual Basic Default Keybindings for Visual Studio 2008 (www.microsoft.com)

156 Useful Run Commands [Windows] (mypchell.com)
Microsoft Windows Vista Quick Reference Card (www.customguide.com)
XP Keyboard Shortcuts: Version 2 (Tri-fold) (www.chrisdottodd.com)
Windows Server 2008 Active Directory Components (www.microsoft.com)
List of the keyboard shortcuts that are available in Windows XP (support.microsoft.com)
Microsoft Windows shortcut keys (www.computerhope.com)
Windows 7 Beta hotkey cheat sheet (brandonlive.com)
Dreamweaver MX Quick Reference for Windows (download.macromedia.com)
Windows Server 2008 Feature Components (www.microsoft.com)
Windows - Alt Key Numeric Codes (tlt.its.psu.edu)
Windows XP Commands (ss64.com)
Windows Keyboard Shortcuts (www.danrodney.com)
Windows Keyboard Shortcuts (www.mistywindow.com)
Ultimate Switcher Guide: Windows PC to Mac Keyboard Shortcuts (www.myfirstmac.com)
Keyboard shortcuts for Windows (support.microsoft.com)
Windows 2000 Keyboard Shortcuts (labmice.techtarget.com)
Simon's Win32 Cheat Sheet (research.microsoft.com)
*Actually Useful* Windows Keyboard Shortcuts - including new Windows 7 tricks (www.reddit.com)
Windows PowerShell Commands (ss64.com)
Microsoft Windows XP - Command-line reference A-Z (www.microsoft.com)
Icon Reference Chart (hicksdesign.co.uk)
Microsoft Windows XP Quick Reference Card (www.customguide.com)
Windows XP Services Reference (www.chrisdottodd.com)
Windows Command Line Cheat Sheet (www.sans.org)

Microsoft Word shortcut keys (www.computerhope.com)
Word 2000 Keyboard Shortcuts (www.fgcu.edu)
Keyboard Shortcuts for Word 2003 (office.microsoft.com)
Keyboard shortcuts for Microsoft Office Word 2007 (office.microsoft.com)
Microsoft Word Keyboard Shortcuts Printable Cheatsheet (lifehacker.com)
Shortcuts for the Word 2007 Equation editor (dataninja.files.wordpress.com)
Microsoft Word 2003 keyboard shortcuts [Registration Required] (downloads.techrepublic.com.com)

mIRC Commands (t0x.in)
Quick Reference to mIRC Commands (byroe.net)

jQuery Mobile UI Cheat Sheet (brooky.cc)
W3C Cheat Sheet (www.w3.org)
Mobile HTML5 compatibility cheat sheet (mobilehtml5.org)
Mobile Frameworks Comparison Chart (www.markus-falk.com)
Mobile Web Application Best Practices Cards (www.w3.org)

Mobile Web Application Best Practices Cards (www.w3.org)
Location Based Mobile Applications CHEAT SHEET (www.leveltendesign.com)
Mobile Web Best Practices (MWBP) Flipcards (www.w3.org)

MODx API Cheat Sheet (blog.medianotions.de)
MODx Evolution 1.0.2: Ditto & Reflect Cheatsheet r1.2 (www.mediafire.com)
Modx 2.0 Revolution Cheat Sheet (spreadsheets.google.com)
MODx Evolution 1.0.2: Basic Cheatsheet 1.3 (www.mediafire.com)
MODx API Cheat Sheet (www.unchi.co.uk)
MODx Evolution 1.0.2: Wayfinder & Breadcrumbs Cheatsheet r1.1 (www.mediafire.com)
MODx Evolution 1.0.2: DocParsers API Cheatsheet 1.0 (www.mediafire.com)

mod_rewrite Cheat Sheet (V2) (www.addedbytes.com)
Mod_Rewrite Variables Cheatsheet (www.askapache.com)
mod_rewrite examples (www.readylines.com)
Apache Mod_Rewrite Cheat Sheet (www.justinshattuck.com)
mod_rewrite Quick Reference and Cheat Sheet (semlabs.co.uk)
Emezeta mod_rewrite Card Reference Cheat Sheet (Spanish and English) (www.emezeta.com)
mod_rewrite Cheat Sheet (www.addedbytes.com)
mod_rewrite Cheat Sheet (V1) (www.addedbytes.com)
Mod_Rewrite Variables Cheatsheet (www.askapache.com)

MONGOID Cheat Sheet (blog.wiemann.name)
InfoGraphic: Migrating from SQL to MapReduce with MongoDB (rickosborne.org)
MongoDB Queries Quick Reference Card (www.10gen.com)
SQL to Mongo Mapping Chart (www.mongodb.org)
MongoDB Replica Sets Quick Reference Card (www.10gen.com)
MongoDB Commands Quick Reference Card (www.10gen.com)
$ cheat mongo (cheat.errtheblog.com)
MongoDB Indexing Quick Reference Card (www.10gen.com)

MONGOID Cheat Sheet (blog.wiemann.name)
MONGOID Cheat Sheet (blog.wiemann.name)

Mootools 1.3 cheat sheet (mediavrog.net)
Mootools 1.2 (mediavrog.net)
MooTools 1.1 Cheat Sheet (mediavrog.net)
MooTools 1.2 Cheat Sheet (mediavrog.net)
Mootools r.83 Cheat Sheet (snook.ca)
mootools 1.3 Cheat Sheet (mediavrog.net)

Movable Type Cheat Sheet - Movable Type Spickzettel (English and German) (www.einfach-persoenlich.de)
Movable Type Cheat Sheet (www.einfach-persoenlich.de)

When Can I Use... [Compatibility tables for features in HTML5, CSS3, SVG and upcoming technologies] (a.deveria.com)
The Complete Firefox Shortcut Keys Guide (maketecheasier.com)
Visual Cheat Sheet: IE 8 and Firefox 3.5 Keyboard Shortcuts (tutorialfeed.blogspot.com)
Mozilla Firefox Keyboard shortcuts (support.mozilla.com)
Mozilla Firefox Cheat Sheet (lesliefranke.com)
70+ Keyboard shortcuts to move faster in Mozilla Firefox [Registration required] (downloads.techrepublic.com.com)
Mozilla Firefox shortcut keys (www.computerhope.com)
Mozilla Firefox Cheat Sheet - Lots of Tips-n-Tricks and Useful Shortcuts (www.askvg.com)
Firefox Keyboard Shortcuts Tri-fold (www.chrisdottodd.com)

Mozilla Thunderbird Cheat Sheet (lesliefranke.com)
35+ keyboard shortcuts that save you time in Mozilla Thunderbird [Registration Required] (downloads.techrepublic.com.com)

MPlayer cheat sheet (sheet.shiar.nl)

Search Engine Query Cheat Sheets (www.e3internet.com)

Mutt cheat sheet (sheet.shiar.nl)
Mutt cheatsheet (commandline.org.uk)
Mutt cheat sheet (sheet.shiar.nl)

ASP.NET MVC 101 Cheat Sheet (public.bay.livefilestore.com)

Myspace Music Profile Cheat Sheet (fc09.deviantart.net)

MySQL Cheat Sheet (shrubbery.mynetgear.net)
MySQL Cheatsheet by Example (www.tech-evangelist.com)
Unix Toolbox (cb.vu)
MySQL CheatSheet (wiki.samat.org)
MySQL Cheat Sheet (www.addedbytes.com)
Mysql cheat sheet (maebmij.org)
MySQL Reference (www.terminally-incoherent.com)
Common MySQL Queries (www.artfulsoftware.com)
Slicehost and Linode LAMP Cheat Sheet (postpostmodern.com)
MySQL Reference for OS X (www.comentum.com)
MySQL - Cheat Sheet (linuxhelp.blogspot.com)
Mysql Cheat Sheet (wiki.timgurney.net)
Slicehost (and Linode) LAMP Cheatsheet (postpostmodern.com)
mysql & mysqladmin & mysqldump examples (www.readylines.com)
MySQL Cheat Sheet (www.mysqltutorial.org)
PHP Functions to work with MySQL (yojance.com)
MySQL Commands (www.pantz.org)
SQL Injection Cheat Sheet (ferruh.mavituna.com)
MySQL Cheatsheet (www.scriptygoddess.com)
Quick MySQL Cheat Sheet/Quick Reference (www.theserverpages.com)
Mysql commands (www.logicalwebhost.com)
MySQL Cheat Sheet (hockinson.com)
PHP functions to work with MySQL (www.quicklycode.com)
MySQL Quick Reference Card (www.explainth.at)
MySQL Field Types (help.scibit.com)
MySQL Cheat Sheet (www.nparikh.org)
MySQL Cheat Sheet (mentalaxis.com)
MySQL (www.addedbytes.com)
SQL Injection Cheat Sheet (michaeldaw.org)
MySQL and Postgres command equivalents (mysql vs psql) (blog.endpoint.com)
MySQL Cheatsheet (www.lockstockmods.net)
MySQL Cheat Sheet (h.ackack.net)
MySQL cheat sheet (www.neeraj.name)
More MSSQL MYSQL oddities... cheatsheet (jgraphis.com)
PHP & MySQL For Dummies Cheat Sheet (www.dummies.com)
MySQL Injection Cheat Sheet (www.justinshattuck.com)
MySQL Cheat Sheet v1.0 (samurai-mysql.blogspot.com)
Mysql Cheat Sheet (goldenink.com)
InfoGraphic: Migrating from SQL to MapReduce with MongoDB (rickosborne.org)
MySQL CheatSheet (en.wikibooks.org)
MySQL SQL Injection Cheat Sheet (pentestmonkey.net)

Ubuntu keyboard shortcut cheatsheet (dl.dropbox.com)

Awk, Nawk and GNU Awk Cheat Sheet (www.catonmat.net)

Netcat Cheat Sheet (www.sans.org)

Nessus-NMap Scanning Cheatsheet (www.secguru.com)
NMAP and NESSUS Cheat sheet (www.secguru.com)

NetApp Setup Cheat Sheet (blog.aarondelp.com)
Netapp Snapshot Management Cheat Sheet (www.geekyfacts.com)

NetBeans IDE 7: Programming in Java 7

NetBeans Java Editor 6.8 Refcard (refcardz.dzone.com)

Essential NetBeans Platform Refcard (refcardz.dzone.com)

Netcat Cheat Sheet (www.sans.org)
NetCat cheat sheet (h.ackack.net)
Netcat cheat sheet (h.ackack.net)
nc (netcat) one-liners (www.readylines.com)
Netcat Cheat Sheet (www.sans.org)

NetHack cheat sheet (sheet.shiar.nl)

TCP Ports List (www.gasmi.net)
Network DDoS Incident Response Cheat Sheet (zeltser.com)
System Administrator Interview Cheat Sheet (mj12net.org)
UDP Ports List (www.gasmi.net)
Physical Terminations Cheat Sheet (packetlife.net)
VLAN Cheat Sheet (packetlife.net)
Linux Networking Cheat Sheet (watson-wilson.ca)
Subnet Cheat Sheet (krow.net)
IPv6 Basic Cheat Sheet v 0.9 (www.roesen.org)
Netcat Cheat Sheet (www.sans.org)
My Unix cheat sheet - Networking (icodeinc.com)
TCP Ports list (www.gasmi.net)
Networking All-in-One For Dummies Cheat Sheet (www.dummies.com)
Unix Toolbox (cb.vu)
Important Router Settings Cheatsheet (creativetechs.com)
Networking Cheats - Cheat sheet for commonly used Unix networking commands (www.eec.com)
Common Ports Cheat Sheet (packetlife.net)
Cisco Commands Cheat Sheet (www.madrock.net)
Port Numbers (www.iana.org)
IPv6 TCP/IP and tcpdump Pocket Reference Guide (www.sans.org)
TCP/IP and tcpdump Pocket Reference Guide (www.sans.org)
Cisco Cheat Sheet (www.mostlygeek.com)
TCP/IP UNIX Command Equivalents Reference Card (h71000.www7.hp.com)
IPsec Cheat Sheet (packetlife.net)

NHibernate mapping attributes Cheat Sheet (www.whiletrue.nl)

NMAP and NESSUS Cheat sheet (www.secguru.com)
Nmap 5 CheatSheet v1.0 [English and Spanish] (www.securitybydefault.com)
Nessus-NMap Scanning Cheatsheet (www.secguru.com)

Node.js Help Sheet (www.gosquared.com)
Node.JS Help Sheet (downloads.gosquared.com)
Node.js: Building for Scalability with Server-Side JavaScript (refcardz.dzone.com)

Getting Started with Oracle Berkeley DB
Getting Started with NoSQL and Data Scalability
Getting Started with Infinispan
The Antepenultimate CouchDB Reference Card (mens.de)
MONGOID Cheat Sheet (blog.wiemann.name)

NumPy for R (and S-Plus) users (mathesaurus.sourceforge.net)
NumPy for MATLAB users (mathesaurus.sourceforge.net)

OAuth Authentication Flow v1.0a (s3.pixane.com)

OCaml Emacs Mode (Tuareg) Cheat Sheet (www.ocamlpro.com)
OCaml Standard Tools Cheat Sheet (www.ocamlpro.com)
ML: Standard ML, OCaml, F#, Scala, Haskell (hyperpolyglot.wikidot.com)
CS3110 OCaml Cheat Sheet (www.cs.cornell.edu)
The OCaml Language Cheat Sheet (www.ocamlpro.com)
OCaml Standard Library Cheat Sheet (www.ocamlpro.com)

Xcode Objective-C Macros For iPhone Programmers (www.mobileorchard.com)
Objective-C Reference Card for Java Programmers (www.mecodegoodsomeday.com)
Xcode Objective-C Macros Cheatsheet For iPhone Programmers (www.mobileorchard.com)
Objective-C Cheat Sheet v0.1 (the-lazy-programmer.com)
Platform Languages: C, C++, Objective C, Java, C# (hyperpolyglot.wikidot.com)
Beginners iPhone Objective-C 2.0 Cheat Sheet V4 (maniacdev.com)

R FOR OCTAVE USERS version 0.4 (cran.r-project.org)
Math Languages: Sage, Octave, R, J, Factor (hyperpolyglot.wikidot.com)
From Octave to R (rwiki.sciviews.org)

Reverse-Engineering Malware Cheat Sheet (zeltser.com)

AFS Reference Card (doc.es.aau.dk)

OpenBSD Commands Wallpaper (technology.desktopnexus.com)

OpenCL API 1.0 Quick Reference Card (www.khronos.org)

OpenGL Rendering and State Cheat-Sheet (glean.sourceforge.net)
OpenGL 4.1 API Quick Reference Card (www.khronos.org)
OpenGL 3.2 API Quick Reference Card (www.khronos.org)
OpenGL 4.00 API Quick Reference Card (www.khronos.org)
OpenGL 4.00 API Quick Reference Card (www.khronos.org)
CSCI 420 Computer Graphics OpenGL Cheat Sheet (www.cs.uwp.edu)
OpenGL 4.2 API Reference Card (www.khronos.org)
OpenGL 3.2 API Quick Reference Card (www.khronos.org)
OpenGL Quick Reference Guide (www.cs.duke.edu)

OpenGL® Shading Language (GLSL) Quick Reference Guide (mew.cx)

Open Layers 2.7 Cheatsheet - v0.1 (terrestris.de)

OpenOffice.org For Dummies Cheat Sheet (www.dummies.com)

OpenSSH quick reference (www.quicklycode.com)

OpenSSL Command-Line HOWTO (www.madboa.com)
openssl one-liners (www.readylines.com)
OpenSSL CheatSheet (wiki.samat.org)

http://www.khronos.org/files/openvg-quick-reference-card.pdf (www.khronos.org)

OpenWrt Cheat Sheet (wiki.samat.org)
OpenWrt CheatSheet (wiki.samat.org)

When Can I Use... [Compatibility tables for features in HTML5, CSS3, SVG and upcoming technologies] (a.deveria.com)

Oracle PL/SQL Cheat Sheet (www.yagc.ndo.co.uk)
Oracle SQL Injection Cheat Sheet (pentestmonkey.net)
Oracle Relational SQL Cheatsheet (www.yagc.ndo.co.uk)
Oracle Relational SQL Cheatsheet (www.yagc.ndo.co.uk)
SQL Injection Cheat Sheet (michaeldaw.org)
Oracle Cheat Sheet (www.vttoth.com)
Oracle Security Cheat Sheet (www.red-database-security.com)
Oracle Cheat Sheet (blogs.corenetworks.es)
Oracle security cheat sheet
Oracle SQL Injection in web applications: Common SQL Injection Strings for Oracle Databases (www.red-database-security.com)
Oracle SQL Commands (ss64.com)
SQL Injection Cheat Sheet (ferruh.mavituna.com)
Oracle Data Dictionary (ss64.com)

Oracle ADF Faces Cheat Sheet: Tables (www.oracle.com)
Oracle ADF Faces Cheat Sheet: Selection Lists and List-of-Values (www.oracle.com)
Oracle ADF Faces Cheat Sheet: Popup Dialogs, Menus, and Windows (www.oracle.com)
Oracle ADF Faces Cheat Sheet: Messaging Components (www.oracle.com)
Oracle ADF Faces Cheat Sheet: Input Components (www.oracle.com)
Oracle ADF Faces Cheat Sheet: Menus and Toolbars (www.oracle.com)

Oracle SQL*Plus Reference (psoug.org)

Org-Mode Reference Card (for version 6.07) (orgmode.org)
Org-Mode Reference Card (for version 6.35g) (orgmode.org)

OS X 10.7 Lion Gesture Cheat Sheet (www.cnet.co.uk)

IOS Interior Routing Protocols Poster (packetlife.net)

Outlook 2011 keyboard shortcut cheat sheet (files.macworld.com)

50+ Keyboard shortcuts to move faster in Microsoft Outlook Express [Registration required] (downloads.techrepublic.com.com)

Paper sizes cheat sheet (upload.wikimedia.org)

Papervision 3D Cheatsheet (actionscriptcheatsheet.com)

Papervision 3D Cheatsheet (actionscriptcheatsheet.com)

Paredit Commands (mumble.net)
Paredit Cheat Sheet (www.emacswiki.org)

Design Patterns Quick Reference (www.mcdonaldland.info)

Perforce Cheat Sheet (www.morgankelsey.com)
Perforce P4V Cheat Sheet (www.perforce.com)

Frontend Performance Engineer Cheat Sheet (vision-media.ca)
Website Performance Checklist (www.saschakimmel.com)

Perl Reference Card (users.physik.fu-berlin.de)
Perl cheat sheet (128.196.231.204)
Big Scripting Languages: PHP, Perl, Python, Ruby, Smalltalk (hyperpolyglot.wikidot.com)
Perl 6 version of cheatsheet (perlmonks.org)
Perl Syntax (codesyntax.netfirms.com)
Scripting Languages: PHP, Perl, Python, Ruby (hyperpolyglot.org)
Perl Special Variable Cheat Sheet (www.catonmat.net)
Perl 5 Cheat Sheet (juerd.nl)
Scripting Language Cheat Sheet (hyperpolyglot.wikidot.com)
Perl Regular Expression Quick Reference 1.05 (erudil.com)
Perl's pack/unpack and printf Cheat Sheet (www.catonmat.net)
Periodic Table of the Operators - Perl 6 (www.ozonehouse.com)
Perl Quick Reference Card (johnbokma.com)
Perlcheat (search.cpan.org)

Pretty Good PGP Reference Card (www.geocities.com)

Windows Phone 7 Gestures Cheat Sheet (adamkinney.com)
Android Cheat Sheet: The Top 6 Android Phones (jkontherun.com)
Windows Phone 7 Cheat Sheet for designers (nordkapp.fi)
Windows Phone Theme Resources Quick Reference (static.gordon-breuer.de)

Photography cheat sheet (homepage.mac.com)
Exposure Triangle Cheat Sheet (glark.org)

Photoshop Keyboard Shortcuts Cheat Sheet (www.smashingmagazine.com)
Essential Keyboard shortcuts cards (ftp.futurenet.co.uk)
Photoshop CS5 Cheat Sheet (www.howtogeek.com)
Photoshop Shortcuts (morris-photographics.com)
Photoshop-ish Keyboard Shortcuts for The Gimp (epierce.freeshell.org)
Photoshop CS5 Cheat Sheet (www.pxleyes.com)
Adobe Photoshop Lightroom 3 shortcuts (blogs.adobe.com)

PHPUnit: PHP Test-Driven Development - Automated Tools to Improve Your PHP Code Quality
Getting Started with Drupal
Getting Started with the Zend Framework
Adobe ColdFusion Web Services for PHP Programmers
PHP
Getting Started with PHP and Flex
WebMatrix: Advanced Web Development Made Simple
Zend Framework Dispatch Process Overview (www.quicklycode.com)
PHP Cheat Sheet by Daniel (www.danieldev.eu)
Apache and IIS PHP $_SERVER Superglobal Comparision (koivi.com)
PHP UTF-8 cheatsheet (developer.loftdigital.com)
PHP Manual Quick Reference (www.php.net)
Python Cheat Sheet for PHP Developers (German) -- Python-Spickzettel für PHP-Entwickler (www.experimentierkasten.de)
PHP functions to work with MySQL (www.quicklycode.com)
PHP Cheat Sheet (www.addedbytes.com)
CakePHP cheat sheet (cakephp.org)
Advanced PHP Reference Sheet (www.dreamincode.net)
WordPress help (wpcandy.com)
PHP Quick Reference Card (www.explainth.at)
PHP Cheat Sheet (V2) (www.addedbytes.com)
PHP Cheat Sheet (www.blueshoes.org)
Printable PHP security checklist (www.sk89q.com)
PHPUnit Cheat Sheet (otroblogmas.com)
PHP Refcard (refcardz.dzone.com)
PHP & MySQL For Dummies Cheat Sheet (www.dummies.com)
PHP Regular Expression Schnipsel [German] (bueltge.de)
PHP cheat sheet (128.196.231.204)
PHP Regular Expressions Cheat Sheet (www.webcheatsheet.com)
PHP Variable and Array Tests (php version 5.1.6) (www.deformedweb.co.uk)
PHP Cheat Sheet (encycode.com)
PHP security checklist (www.sk89q.com)
Emezeta PHP Card Reference Cheat Sheet (Spanish and English) (www.emezeta.com)
PHP Basics Reference Sheet (www.dreamincode.net)
PHP Cheat Sheet Dashboard Widget (www.apple.com)
Slicehost and Linode LAMP Cheat Sheet (postpostmodern.com)
PHP Help Sheet (downloads.gosquared.com)
PHP Cheat Sheet (V1) (www.addedbytes.com)
Big Scripting Languages: PHP, Perl, Python, Ruby, Smalltalk (hyperpolyglot.wikidot.com)
Slicehost (and Linode) LAMP Cheatsheet (postpostmodern.com)
PHP Help Sheet (www.gosquared.com)
PHP Functions to work with MySQL (yojance.com)
SQL Server Driver for PHP Cheat Sheet (blogs.msdn.com)
Scripting Languages: PHP, Perl, Python, Ruby (hyperpolyglot.org)
Zend Framework coding standards (raphael.stolt.googlepages.com)

PHPUnit Cheat Sheet (otroblogmas.com)
PHPUnit Cheat Sheet (otroblogmas.com)

Ubuntu keyboard shortcut cheatsheet (dl.dropbox.com)

PostgreSQL 8.3 PL/pgSQL Cheatsheet (www.postgresonline.com)

PL/Python Cheatsheet (www.postgresonline.com)

Oracle PL/SQL Cheat Sheet (www.yagc.ndo.co.uk)

Play framework cheat sheet (www.lunatech-research.com)

Pomodoro Technique Cheat Sheet (www.scribd.com)

Common Ports Cheat Sheet (packetlife.net)
Port Numbers (www.iana.org)
TCP Ports List (www.gasmi.net)
UDP Ports List (www.gasmi.net)

POSIX Threads Quick Guide (www.metashadow.com)

PostgreSQL 8.3 Pg_dump Pg_Restore Cheatsheet (www.postgresonline.com)
PostgreSQL 9.0 Cheat Sheet (www.postgresonline.com)
Postgres Cheat Sheet (wiki.timgurney.net)
PostgreSQL 8.3 PL/pgSQL Cheatsheet (www.postgresonline.com)
PostgreSQL 8.3 Cheat Sheet (www.postgresonline.com)
Unix Toolbox (cb.vu)
PostgreSQL Cheat Sheet (www.webandnetworksolutions.com)
MySQL and Postgres command equivalents (mysql vs psql) (blog.endpoint.com)
PostgreSQL 8.3 TSearch Cheat Sheet (www.postgresonline.com)
PostgreSQL Cheat Sheet (h.ackack.net)
PostgreSQL 9.0 Cheat Sheet (www.postgresonline.com)
SQL Injection Cheat Sheet (ferruh.mavituna.com)
PL/Python Cheatsheet (www.postgresonline.com)
Cheat Sheet for PostgreSQL 8 (www.alberton.info)
Postgresql cheat sheet (www.postgresonline.com)
Postgres SQL Injection Cheat Sheet (pentestmonkey.net)
PostgreSQL 8.3 PSQL Cheatsheet (www.postgresonline.com)
Quickies for Postgresql (borkware.com)
Essential PostgreSQL (refcardz.dzone.com)
PostgreSQL Cheat Sheet (www.petefreitag.com)
SQL Injection Cheat Sheet (michaeldaw.org)

PowerShell String Comparisons Wall Chart (www.simple-talk.com)
Windows PowerShell Commands (ss64.com)
Windows PowerShell Quick Reference (www.microsoft.com)
PowerShell Functions Wall Chart (www.simple-talk.com)
Windows PowerShell Quick Reference (www.quicklycode.com)
PowerShell Cheat Sheet Redux (blogs.msdn.com)

PowerVM QuickSheet (www.tablespace.net)
PowerVM QuickStart (www.tablespace.net)

Probability Theory Cheat Sheet (kom.aau.dk)

ProbeVue Quicksheet (www.tablespace.net)

Programmer Competency Matrix (www.indiangeek.net)

Clean Code Cheat Sheet (www.bbv.ch)

Symfony Cheat Sheet - ORM (andreiabohner.wordpress.com)

Prototype 1.5.0 (snook.ca)
Prototype 1.5.0 Cheat Sheet (www.snook.ca)
Prototype 1.6.0.2 Cheat Sheet (thinkweb2.com)
Prototype Reference Widget (www.bartelme.at)
Prototype 1.6.0.2 Cheat Sheet (perfectionkills.com)
Prototype 1.5.0_pre0 Cheat Sheet (www.snook.ca)

PostgreSQL 8.3 PSQL Cheatsheet (www.postgresonline.com)

Puppet Core Types Cheat Sheet (docs.puppetlabs.com)

Pygame Basics (www.cogsci.rpi.edu)
Pygame cheat sheet (www.cogsci.rpi.edu)

Markdown & Pygments Lexers Cheat Sheet (joedicastro.com)

Pylons quick reference [Italian] (www.slacky.eu)
Pylons 0.9.6 Cheat Sheet (workaround.org)

Quick Python Script Explanation for Programmers (coffeeghost.net)
Python Cheat Sheet (github.com)
web2py cheat sheet (www.web2py.com)
Scripting Language Cheat Sheet (hyperpolyglot.wikidot.com)
PL/Python Cheatsheet (www.postgresonline.com)
Python Cheat Sheet (encycode.com)
Python 2.5 Reference Card (users.physik.fu-berlin.de)
Python 2.1 Quick Reference (rgruet.free.fr)
Python (www.addedbytes.com)
Big Scripting Languages: PHP, Perl, Python, Ruby, Smalltalk (hyperpolyglot.wikidot.com)
Google App Engine Cheat Sheet for Python SDK 1.2.2 (googleappengine.googlecode.com)
Python Cheat Sheet (www.addedbytes.com)
Python 2.3 Quick Reference (rgruet.free.fr)
Scripting Languages: PHP, Perl, Python, Ruby (hyperpolyglot.org)
Pygame cheat sheet (www.cogsci.rpi.edu)
Python Basics (www.cogsci.rpi.edu)
Python 2.4 cheat sheet (greyfox.imente.org)
Python, la fiche du débutant (ccomb.gorfou.fr)
Quick Python Script Explanation for Programmers (coffeeghost.net)
Python Cheat Sheet for PHP Developers (German) -- Python-Spickzettel für PHP-Entwickler (www.experimentierkasten.de)
Python 2.0 Quick Reference (rgruet.free.fr)
Python Syntax (codesyntax.netfirms.com)
Python Quick Reference (rgruet.free.fr)
Python 2.2 Quick Reference (rgruet.free.fr)
Python 2.6 Cheatsheet v0.1 (moreati.org.uk)

Clean Code Cheat Sheet (www.planetgeek.ch)

QuarkXPress 7 Keyboard Shortcuts - Mac (www.nobledesktop.com)
QuarkXPress 8 Keyboard Shortcuts - Mac (www.nobledesktop.com)
QuarkXPress terms > InDesign CS3 terminology (www.jetsetcom.net)
QuarkXPress 7 Keyboard Shortcuts - PC (www.nobledesktop.com)
QuarkXPress 8 Keyboard Shortcuts - PC (www.nobledesktop.com)

Quicksilver Quick Reference (mysite.verizon.net)

R/Rpad Reference Card (rpad.googlecode.com)
NumPy for R (and S-Plus) users (mathesaurus.sourceforge.net)
R Reference Card (cran.r-project.org)
R FUNCTIONS FOR REGRESSION ANALYSIS (cran.r-project.org)
R Quick Reference (people.musc.edu)
R Reference Card (cran.r-project.org)
R cheat sheet (128.196.231.204)
R commands (www.personality-project.org)
R reference card (cran.r-project.org)
R quick reference (dataninja.wordpress.com)
Data Analysis Using R (www.masil.org)
R FUNCTIONS FOR TIME SERIES ANALYSIS (cran.r-project.org)
Peter Adler's R cheat sheet (www.nceas.ucsb.edu)
r cheat sheets (had.co.nz)
Zelig for R Cheat Sheet (people.iq.harvard.edu)
ESS Reference Card for S and R (ess.r-project.org)
R reference card (www.math.montana.edu)
R FOR OCTAVE USERS version 0.4 (cran.r-project.org)
R Reference Card for Data Mining (www.rdatamining.com)
Rpad and R Reference Card (dendrolab.org)
Math Languages: Sage, Octave, R, J, Factor (hyperpolyglot.wikidot.com)
R Reference Card for Data Mining (www.rdatamining.com)
R for MATLAB users (mathesaurus.sourceforge.net)
R Cheatsheet (www.amaynard.ca)
R Cheat Sheet (www.biostat.jhsph.edu)
R Reference Card (rpad.googlecode.com)
From Octave to R (rwiki.sciviews.org)

Simple RAID Cheat Sheet (www.hyperionreactor.net)

Rails 3 Cheat Sheets (blog.envylabs.com)

Search Engine Query Cheat Sheets (www.e3internet.com)
Russian Search Engine Query Cheatsheet V.2 (www.e3internet.com)

RDF Reference (www.w3schools.com)

RDFa Cheat Sheet (linkeddata.deri.ie)

Google Reader Cheat Sheet (kosciak.blox.pl)

The CMO's Guide To The Social Media Landscape (www.cmo.com)
The Social Media Cheat Sheet (drewmclellan.typepad.com)

Redis (masonoise.files.wordpress.com)
Redis Cheat-sheet v1.0 (masonoise.wordpress.com)
Redis Command Reference (code.google.com)

Redmine Email Keyword Cheatsheet (downloads.littlestreamsoftware.com)

Mod_Rewrite Variables Cheatsheet (www.askapache.com)

Regular Expressions (www.petefreitag.com)
Regular Expression Cheat Sheet (.NET) (regexlib.com)

Regular Expression Basic Syntax Reference (www.regular-expressions.info)
PHP Regular Expression Schnipsel [German] (bueltge.de)
Perl Regular Expression Quick Reference 1.05 (erudil.com)
PHP Regular Expressions Cheat Sheet (www.webcheatsheet.com)
Regular Expressions Cheat Sheet (V2) (www.addedbytes.com)
Regular Expressions in XSLT 2.0, XQuery 1.0 and XPath 2.0 Quick Reference (www.mulberrytech.com)
Regexp Syntax Summary (www.greenend.org.uk)
Regular Expressions Cheat Sheet (krijnhoetmer.nl)
Perl Compatible Regular Expressions in a Nutshell (www.bitcetera.com)
JavaScript 5.6/VBScript Regular Expression Syntax (www.regextester.com)
Regex Cheat Sheet (www.petefreitag.com)
Regular Expressions Cheatsheet (www.icantinternet.org)
Regular Expressions Cheat Sheet (V1) (www.addedbytes.com)
Regular Expressions (3gwt.net)
RegExLib.com Regular Expression Cheat Sheet (.NET) (www.regxlib.com)
Regular Expressions in JavaScript (www.evolt.org)
Regular Expressions - Quick Reference Guide (opencompany.org)
Regex Cheat Sheet (wiki.timgurney.net)
Regular Expressions for JavaScript (www.visibone.com)
C# Regular Expressions Cheat Sheet (www.mikesdotnetting.com)
Regular expressions to keep (cheatsheet for regexps) (borniet.2b-media.be)

Remember the Milk Cheatsheet (kevinandre.com)
Remember the Milk Keyboard Shortcuts (www.rememberthemilk.com)
Remember the Milk Keyboard Shortcuts Cheat Sheet (www.nickhammond.com)
Remember the Milk Keyboard Shortcuts Cheat Sheet (www.nickhammond.com)

Git and Repo cheatsheet (source.android.com)

ReSharper 4.5 Default Keymap: Visual Studio scheme (www.jetbrains.com)
The Most Useful Keyboard Shortcuts for .NET Developers (mahdi.mp)
ReSharper 3 Default Keymap: ReSharper 2.x / IDEA scheme (www.jetbrains.com)
ReSharper 5 Default Keymap: Visual Studio scheme (www.jetbrains.com)
ReSharper 4.0 Default Keymap: ReSharper 2.x / IDEA scheme (www.jetbrains.com)
ReSharper 4.5 Default Keymap: ReSharper 2.x / IDEA scheme (www.jetbrains.com)
ReSharper 5 Default Keymap: ReSharper 2.x / IDEA scheme (www.jetbrains.com)
ReSharper 3 Default Keymap: Visual Studio scheme (www.jetbrains.com)
ReSharper 4.0 Default Keymap: Visual Studio scheme (www.jetbrains.com)

Getting Started with Caucho Resin (refcardz.dzone.com)

Megapixels Chart (www.design215.com)

RESTful Rails cheatsheet (topfunky.com)

Reverse-Engineering Malware Cheat Sheet (zeltser.com)

Reverse-Engineering Malware Cheat Sheet (zeltser.com)

RGB Colour Codes (www.addedbytes.com)

Robocopy Quick Reference (ss64.com)

Cisco Commands Cheat Sheet (www.madrock.net)

Rpad and R Reference Card (dendrolab.org)
R/Rpad Reference Card (rpad.googlecode.com)

Linux Package Management Cheatsheet (lpilinux.com)
RPM Cheat Sheet (michal.guerquin.com)
RPM Cheat Sheet (cainmanor.com)
rpm command cheat sheet for Linux (www.cyberciti.biz)
RPM quickie cheat sheet (www.dslreports.com)
Package Management Cheatsheet (lpilinux.com)

rSpec Cheat Sheet (techblog.daveastels.com)

Really Simple Syndication (RSS) Cheat Sheet v1.1 (www.usgs.gov)
RSS Reference (www.w3schools.com)

My Unix cheat sheet - Working with RSYNC (icodeinc.com)
Unix Toolbox (cb.vu)

Flexible Rails: Flex 3 on Rails 2
Essential Ruby
Chef: An Open Source Tool for Scalable Cloud and Data Center Automation
Big Scripting Languages: PHP, Perl, Python, Ruby, Smalltalk (hyperpolyglot.wikidot.com)
Scripting Languages: PHP, Perl, Python, Ruby (hyperpolyglot.org)
Ruby Net::HTTP cheat sheet (august.lilleaas.net)
Ruby Cheat Sheet (wiki.openqa.org)
Threadeds Ruby Cheat Sheet (www.threaded.com)
Essential Ruby (refcardz.dzone.com)
Ruby Shortcuts (caiustheory.com)
Ruby on Rails Db cheat sheet (www.codepotato.co.uk)
Ruby on Rails (www.addedbytes.com)
Scripting Language Cheat Sheet (hyperpolyglot.wikidot.com)
Ruby Cheat Sheet (www.testingeducation.org)
MONGOID Cheat Sheet (blog.wiemann.name)

RJS Demystified (slash7.com)
RJS Cheat Sheet - Ruby Code Examples (thebitt.com)
RJS Cheat Sheet (localtype.org)

Ruby on Rails Db cheat sheet (www.codepotato.co.uk)
RubyOnRails Cheat Sheet (www.blainekendall.com)
Ruby on Rails 1.1 Reference (blog.nanorails.com)
Configuring Rails Environments: The Cheat Sheet (glu.ttono.us)
Ruby on Rails (www.addedbytes.com)
Rails Migrations Cheatsheet (dizzy.co.uk)
Ruby on Rails - What Goes Where? Cheat Sheet (www.slash7.com)
Ruby on Rails Cheat Sheet (www.addedbytes.com)
Rails ActionMailer Cheatsheet (dizzy.co.uk)
assert_select cheat sheet (blog.labnotes.org)
MONGOID Cheat Sheet (blog.wiemann.name)
Ruby on Rails Form Helpers Cheat Sheet (www.slash7.com)
Ruby on Rails For Dummies Cheat Sheet (www.dummies.com)
RESTful Rails cheatsheet (topfunky.com)
Heroku PG Backups Cheat Sheet (www.chipashby.com)
Active Resource Cheatsheet (www.undefinedrange.com)
ActiveRecord Relationships Cheat Sheet (www.slash7.com)
Threadeds Ruby on Rails Cheat Sheet (www.threaded.com)
Ruby, Rails, Test::Rails Cheat Sheet (nubyonrails.com)
Rails Form Helpers Cheatsheet (dizzy.co.uk)
Rails 3 Cheat Sheets (blog.envylabs.com)
Rails 3 Cheat Sheets (blog.envylabs.com)

RubyMine Default Keymap (Mac) (www.jetbrains.com)
RubyMine Default Keymap (Windows/Linux) (www.jetbrains.com)

ESS Reference Card for S and R (ess.r-project.org)
S Cheatsheet (lib.stat.cmu.edu)

NumPy for R (and S-Plus) users (mathesaurus.sourceforge.net)

Safari Commands Cheat Sheet for MacSpeech Dictate (atmac.org)
Safari Commands Cheat Sheet for MacSpeech Dictate 1.3 (atmac.org)
Icon Reference Chart (hicksdesign.co.uk)
When Can I Use... [Compatibility tables for features in HTML5, CSS3, SVG and upcoming technologies] (a.deveria.com)
Mac OS X Leopard: 200+ Productivity Booster Keyboard Shortcuts (www.usingmac.com)

Sage Quick Reference (Basic Math) (wiki.sagemath.org)
Sage Quick Reference: Elementary Number Theory (wiki.sagemath.org)
Math Languages: Sage, Octave, R, J, Factor (hyperpolyglot.wikidot.com)
Sage Quick Reference: Linear Algebra (wiki.sagemath.org)
Sage Quick Reference (wiki.sagemath.org)
Sage Quick Reference: Calculus (wiki.sagemath.org)

Peachtree For Dummies Cheat Sheet (www.dummies.com)

Sandcastle XML Reference Wallchart (www.red-gate.com)

Quick Reference: SAS on UNIX (it.unm.edu)
SAS For Dummies Cheat Sheet (www.dummies.com)
SAS Cheat Sheet (www.theprogrammerscabin.com)

Sass (SCSS) and Compass Cheat Sheet (jc-designs.net)

Scala Cheat Sheet v0.1 (www.geekontheloose.com)
Scala Syntax Cheat Sheet (anyall.org)
Scala Cheat Sheet (www.geekontheloose.com)
Scala List Cheat Sheet (synesso.posterous.com)
ML: Standard ML, OCaml, F#, Scala, Haskell (hyperpolyglot.wikidot.com)

When Can I Use... [Compatibility tables for features in HTML5, CSS3, SVG and upcoming technologies] (a.deveria.com)
W3C Cheatsheet for developers (www.w3.org)

The Schematron 1.5 Syntax (xml.ascc.net)
ISO Schematron Quick Reference (www.mulberrytech.com)

Lisp: Common Lisp, Scheme, Clojure, Emacs Lisp (hyperpolyglot.wikidot.com)
Lisp Cheat Sheet (weatherspud.wikidot.com)

GNU screen Quick Reference (aperiodic.net)
Screen VT100/ANSI Terminal Emulator Cheat Sheet (www.catonmat.net)
linux screen keyboard shortcuts (www.pixelbeat.org)
GNU Screen Cheat-sheet (www.neophob.com)
GNU Screen cheatsheet (watson-wilson.ca)

Field Guide to Scriptaculous Combination Effects (www.slash7.com)
Scriptaculous (slash7.com)

Scrum for Anyone (www.scrumalliance.org)
Scrum Cheat Sheet (media.agile42.com)

Getting Started with Hibernate Search
Apache Solr: Getting Optimal Search Results
Understanding Lucene: Powering Better Search Results
Search Engine Query Cheat Sheets (www.e3internet.com)
Google Advanced Operators Quick Reference (www.googleguide.com)

Russian Search Engine Query Cheatsheet V.2 (www.e3internet.com)
Top 20 Search Engine Helpers (lifehacker.com)

Core Seam
Getting Started with Java EE Security
Expression-Based Authorization with Spring Security 3
Printable PHP security checklist (www.sk89q.com)
Linux Security Quick Reference Guide (www.linuxsecurity.com)
Check Point CLI Reference Card & CheatSheet (www.roesen.org)
Oracle Security Cheat Sheet (www.red-database-security.com)
Test Heuristics Cheat Sheet (testobsessed.com)
Analyzing malicious documents cheat sheet (zeltser.com)
OWASP Top 10 2010 - Cheat Sheet (www.greebo.net)
Security incident survey cheat sheet (zeltser.com)
Information Security Assessment Report Cheat Sheet (zeltser.com)
ASP.NET Security Architecture Cheat Sheet For Very Busy Architects (blogs.msdn.com)
HTML5 Security Cheat Sheet (heideri.ch)
Security architecture cheat sheet (zeltser.com)
Network DDOS incident response cheat sheet (zeltser.com)
PHP security checklist (www.sk89q.com)
Oracle security cheat sheet
Nessus-NMap Scanning Cheatsheet (www.secguru.com)
Input Validation Cheat Sheet (michaeldaw.org)
Oracle SQL Injection in web applications: Common SQL Injection Strings for Oracle Databases (www.red-database-security.com)
Default Password List (www.phenoelit-us.org)
Security Architecture Cheat Sheet for Internet Applications (zeltser.com)
Web Application Testing Cheatsheet (www.secguru.com)
fw monitor cheat sheet (www.roesen.org)
Cheat Sheet: Web Application Security Frame (msdn.microsoft.com)
Reverse-Engineering Malware Cheat Sheet (zeltser.com)
SQL Injection Cheat Sheet (michaeldaw.org)
IPsec Cheat Sheet (packetlife.net)
Initial Security Incident Questionnaire for Responders (zeltser.com)
Critical log review checklist for security incidents (zeltser.com)
HTML5 Security Cheatsheet (html5sec.org)
hping 3 cheat sheet (sbdtools.googlecode.com)
Reverse-Engineering Malware Cheat Sheet (zeltser.com)
Network DDoS Incident Response Cheat Sheet (zeltser.com)
Critical Log Review Checklist for Security Incidents (zeltser.com)
System Administrator Interview Cheat Sheet (mj12net.org)
Pretty Good PGP Reference Card (www.geocities.com)
Security assessment report cheat sheet (zeltser.com)
Drupalcon security cheat sheet (www.dynamiteheads.com)
How to Suck at Information Security Cheat Sheet (zeltser.com)
Security Incident Survey Cheat Sheet for Server Administrators (zeltser.com)

sed one-liners (www.readylines.com)
Sed Stream Editor Cheat-Sheet (www.catonmat.net)
Bruce Barnett's Cheat Sheet for SED (www.grymoire.com)
USEFUL ONE-LINE SCRIPTS FOR SED (www.pement.org)
Chart of similar operations with sed and awk (www.pement.org)
Sed UNIX Stream Editor Cheat Sheet (www.catonmat.net)

Rosetta Stone and Cookbook for XPath, CSS, DOM, and Selenium (www.simple-talk.com)

SEO API and Dataset Cheat Sheet (www.distilled.co.uk)
The Beginner's Checklist for Learning SEO (www.seomoz.org)
Cheat Sheet für Suchmaschinenoptimierung / SEO (www.suchmaschinentricks.de)
SEO Cheat Sheet v0.4 (anton.shevchuk.name)
API and Dataset Cheatsheet (www.seomoz.org)
Search Engine Optimization All-in-One For Dummies Cheat Sheet (www.dummies.com)
SEO Cheat Sheet: Anatomy of A URL (seomoz.box.net)
SEO Audit Checklist (www.seostandards.org)
Mihai's SEO Cheat Sheet (mihaigheza.wordpress.com)
15 Minute SEO List (www.webconfs.com)
The Beginner's Checklist for Small Business SEO (www.seomoz.org)
Web Developer’s SEO Cheat Sheet (www.seomoz.org)
The Social Media Cheat Sheet (drewmclellan.typepad.com)
SEO for WordPress Cheat Sheet (www.tekka.de)
Forty's Pocket Guide to SEO (www.fortyagency.com)
SEO Cheat Sheet (anton.shevchuk.name)
Wordpress SEO cheat sheet (www.mrkirkland.com)
SEO Basics Wallpaper (endcompetition.com)
SEO Cheat Sheet: Anatomy of A URL (www.seomoz.org)
The Web Developer's SEO Cheat Sheet (www.seomoz.org)
Cheat Sheet: SEO for Wordpress (www.tekka.de)

Server Side Includes Quick Reference Card (www.explainth.at)
SSI Reference (webref.info)

ServiceMix 4.2: The Apache Open Source ESB (refcardz.dzone.com)

Bash scripting (www.linux-sxs.org)
Linux Shell Commands (www.suso.com)

Shopify Cheat Sheet (cheat.markdunkley.com)
Shopify Cheat Sheet (www.shopify.com)
Shopify Cheat Sheet (www.shopify.com)

Shoulda Testing Cheat Sheet (kylebanker.com)

SimpleTest Cheat Sheet (blog.rodrigoarce.com)

Paper sizes cheat sheet (upload.wikimedia.org)

Skype Emoticons Cheatsheet v1.2.5 (factoryjoe.com)

Slicehost and Linode LAMP Cheat Sheet (postpostmodern.com)
Slicehost (and Linode) LAMP Cheatsheet (postpostmodern.com)

Big Scripting Languages: PHP, Perl, Python, Ruby, Smalltalk (hyperpolyglot.wikidot.com)

Smarty Cheat Sheet Version 2.0 (hasin.wordpress.com)
Smarty Cheat Sheet for Template Designers (hasin.wordpress.com)

snmpget & snmpwalk one-liners (www.readylines.com)

snmpget & snmpwalk one-liners (www.readylines.com)

Solaris QuickSheet (www.tablespace.net)
Unix Tool Box (wiki.timgurney.net)
Solaris and Sun cheatsheet (watson-wilson.ca)

Solr Cheat Sheet for Solr 1.4 (docs.google.com)
Apache Solr Cheat Sheet (docs.google.com)

Sphinx cheat sheet (matplotlib.sourceforge.net)

Spring Annotations (refcardz.dzone.com)
Spring Configuration (refcardz.dzone.com)

Spring Web Flow Refcard (refcardz.dzone.com)

Sprinkle Cheatsheet (maxim.github.com)

PostgreSQL 9.0 Cheat Sheet (www.postgresonline.com)
SQL to Mongo Mapping Chart (www.mongodb.org)
SQL Statements Cheat Sheet (www.sqltutorial.org)
SQL For Dummies Cheat Sheet (www.dummies.com)
SQL Cheatsheet (128.196.231.204)
Microsoft SQL Server Cheat Sheet (www.addedbytes.com)
Oracle SQL Commands (ss64.com)
SQL examples (www.readylines.com)
Visual SQL JOINs cheat sheet (www.codeproject.com)
Sybase SQL Server Cheat Sheet (www.selectorweb.com)
LINQ to SQL cheat sheet (damieng.com)
SQL Quick Reference Guide (www.veign.com)
SQL (Structured Query Language) in one page (www.sql.su)
Oracle Relational SQL Cheatsheet (www.yagc.ndo.co.uk)
SQL Quick Reference (www.w3schools.com)
SQL Cheatsheet (www.3gwt.net)
Oracle Relational SQL Cheatsheet (www.yagc.ndo.co.uk)

DB2 SQL Injection Cheat Sheet (pentestmonkey.net)
SQL Injection Cheat Sheet (michaeldaw.org)
SQL Injection Cheat Sheet (ferruh.mavituna.com)
Ingres SQL Injection Cheat Sheet (pentestmonkey.net)
Postgres SQL Injection Cheat Sheet (pentestmonkey.net)
MySQL Injection Cheat Sheet (www.justinshattuck.com)
Informix SQL Injection Cheat Sheet (pentestmonkey.net)
MySQL SQL Injection Cheat Sheet (pentestmonkey.net)
Oracle SQL Injection Cheat Sheet (pentestmonkey.net)
SQL Injection cheat sheet (Esp: for filter evasion) (ha.ckers.org)
Oracle SQL Injection in web applications: Common SQL Injection Strings for Oracle Databases (www.red-database-security.com)
MSSQL Injection Cheat Sheet (pentestmonkey.net)

SQLite cheat sheet / tutorial (schwehr.org)
Unix Toolbox (cb.vu)

SSH Cheat Sheet (www.creativeworld.com.au)
Unix Toolbox (cb.vu)
Short SSH reference card (seq.molbiol.ru)
OpenSSH quick reference (www.quicklycode.com)
Ssh Cheat Sheet (wiki.timgurney.net)
My Unix cheat sheet - SSH (icodeinc.com)
SSH Cheat Sheet (www.apache.com)
SSH Cheat Sheet (blogs.sun.com)
SSH Command Cheat Sheet (layercakemarketing.com)
SSH cheat sheet (support.pcsmartgroup.com)

ssldump one-liners (www.readylines.com)

Programming Language Popularity Ranking (www.dataists.com)

ML: Standard ML, OCaml, F#, Scala, Haskell (hyperpolyglot.wikidot.com)

Stata quick reference (dataninja.wordpress.com)

STL Quick Reference (medini.org)

The CMO's Guide To The Social Media Landscape (www.cmo.com)
The Social Media Cheat Sheet (drewmclellan.typepad.com)

Subversion Cheat Sheet (www.addedbytes.com)

Pascal's svn and Capistrano Cheat Sheet (blog.nanorails.com)
CVS (and Subversion) Cheat Sheet (offog.org)
Subversion Cheat Sheet (www.abbeyworkshop.com)
Quickies for Subversion (borkware.com)
Unix Toolbox (cb.vu)
SVN Cheat Sheet (wiki.timgurney.net)
Subversion Cheat Sheet (www.addedbytes.com)
Subversion cheatsheet (watson-wilson.ca)

Subversion Cheat Sheet (www.addedbytes.com)

Sybase SQL Server Cheat Sheet (www.selectorweb.com)
SQL Injection Cheat Sheet (michaeldaw.org)
Sybase SQL Server 11 (www.selectorweb.com)

Symbol Fonts Cheat Sheet (cheatsheetheap.com)
Unicode table for you (www.ftrain.com)

Symfony2 Cheat Sheet (www.howitt.com)
Symfony Cheat Sheet - View: Partials, Components, Slots, and Component Slots (andreiabohner.wordpress.com)
Symfony2 Console Commands Cheat Sheet (www.howitt.com)
Symfony Cheat Sheet - Database Schema (andreiabohner.wordpress.com)
Symfony Cheat Sheet - Form Helpers (andreiabohner.wordpress.com)
Symfony Cheat Sheet - ORM (andreiabohner.wordpress.com)
Symfony 1.4 Cheat Sheet - Directory Structure and CLI (andreiabohner.wordpress.com)
Symfony deployment Cheat Sheet (symfony-check.org)
Symfony Cheat Sheet - View (andreiabohner.wordpress.com)
Symfony Directory Structure and CLI (andreiabohner.files.wordpress.com)
Symfony Cheat Sheet - Model (andreiabohner.wordpress.com)
Symfony Cheat Sheet - JavaScript and AJAX Helpers (andreiabohner.wordpress.com)
Symfony Admin Generator Reference Card 1.0 (www.symfony-project.org)
Symfony Cheat Sheet - Criteria/Criterion/RS (andreiabohner.wordpress.com)
Symfony Cheat Sheet - Server Validation (andreiabohner.wordpress.com)
Symfony Cheat Sheet - Directory Structure and CLI (andreiabohner.wordpress.com)
Symfony Deployment Cheat Sheet (symfony-check.org)

System Administrator Interview Cheat Sheet (mj12net.org)

SQL Server T-SQL Cheat Sheet (www.petefreitag.com)
SQL Server 2005 Commands (ss64.com)
The Absentminded DBA's Cheat Sheet for Intermediate TSQL (www.midnightdba.com)

tar one-liners (www.readylines.com)

Scripting Language Cheat Sheet (hyperpolyglot.wikidot.com)
Small Scripting Languages: Bash, Tcl, Lua, JavaScript, Io (hyperpolyglot.wikidot.com)
Embeddable Languages: Tcl, Lua, JavaScript, Io (hyperpolyglot.org)

TCP Ports list (www.gasmi.net)

TCP/IP and tcpdump Pocket Reference Guide (www.sans.org)
IPv6 TCP/IP and tcpdump Pocket Reference Guide (www.sans.org)
IPv6 TCP/IP and tcpdump Pocket Reference Guide (www.sans.org)
TCP/IP UNIX Command Equivalents Reference Card (h71000.www7.hp.com)

IPv6 TCP/IP and tcpdump Pocket Reference Guide (www.sans.org)
tcpdump Cheat Sheet (packetlife.net)
tcpdump examples (www.readylines.com)
TCP/IP and tcpdump Pocket Reference Guide (www.sans.org)
IPv6 TCP/IP and tcpdump Pocket Reference Guide (www.sans.org)

Physical Terminations/Connectors (packetlife.net)

Test-Driven Development Reference (downloads.seapine.com)
Clean Test Driven Development (www.bbv.ch)

Unit Testing Recommended Best Practice (www.codign.com)
Test Heuristics Cheat Sheet (testobsessed.com)

TeX Reference Card v1.5 (www.math.brown.edu)
AMSTeX Reference Card v1.3 (www.math.brown.edu)

Textile cheat sheet (warpedvisions.org)
Textile Syntax Reference (www.squarespace.com)

TextMate QuickRef (olifante.blogs.com)
TextMate Keyboard Shortcuts Cheat Sheet (designbyelle.com.au)
TextMate Shortcuts Cheatsheet (ionrails.com)
TextMate Shortcuts Desktop (www.scottboms.com)
Textmate to VIM Guide (www.jackkinsella.ie)
Textmate developer (sites.google.com)
Textmate cheat sheet wallpaper (simplesideias.com.br)
TEXTMATE cheat sheet - pocketmod version (www.g-design.net)
TextMate Developer's Cheat Sheet (sites.google.com)
TEXTMATE cheat sheet (www.g-design.net)
TextMate Cheat Sheet (www.ecitadel.net)

100+ Keyboard shortcuts to move faster in TextPad [Registration required] (downloads.techrepublic.com.com)

TextPattern Cheat Sheet (textpattern.org)
TextPattern Cheat Sheet (textpattern.org)

Thematic Page Structure (bluemandala.com)

Thunderbird (lesliefranke.com)

TLD extensions (www.suso.com)

Trig Cheat Sheet (Reduced) (tutorial.math.lamar.edu)
Trig Cheat Sheet (tutorial.math.lamar.edu)
Trigonometry cheat sheet (tutorial.math.lamar.edu)

TrixBox CHEAT SHEET (www.da-parish.com)
TrixBox Cheat Sheet (myspacefears.com)
Fonality trixbox Pro Cheat Sheet (help.trixbox.com)

TTCN-3 Quick Reference Card (www.blukaktus.com)

Tweener Transition Cheat Sheet (hosted.zeh.com.br)

Twitter Cheat Sheet (www.geneabloggers.com)
Twitter on Your Phone Cheat Sheet (portfolio.ginaminks.com)
Twitter Search Operators (search.twitter.com)
Twitter Cheat Sheet (www.box.net)
Twitter Cheat Sheet (thesocialmediaguide.com.au)
Twitter Cheat Sheet (www.geneabloggers.com)
Twitter Cheat Sheet 1.2 (portfolio.ginaminks.com)
Using Twitter for Business CHEAT SHEET (www.leveltendesign.com)
twitter tweet sheet 2 (jasontheodor.com)
Twitter API Cheat Sheet (v2ex.appspot.com)
The CMO's Guide To The Social Media Landscape (www.cmo.com)
Twitter @Anywhere Javascript API Cheat Sheet (platform.twitter.com)
Yorufukurou Keyboard shortcuts (dashkards.com)
Guide visuel Twitter [French] (www.it-wars.com)
The Social Media Cheat Sheet (drewmclellan.typepad.com)
Twitter API Cheat Sheet (v2ex.appspot.com)
Tweeting 101: A Twitter Cheat Sheet (webworkerdaily.com)
twitter tweet sheet (jasontheodor.com)
Twitter cell phone cheat sheets (trainque.com)

txt2tags-Referenzkarte [German] (www.jamesie.de)

The Great Typekit Table (www.sleepoversf.com)

The Great Typekit Table (www.sleepoversf.com)

Typo3 Extbase & Fluid Cheat Sheet (www.typofaktum.de)

TYPO3 Extbase & Fluid Cheat Sheet V 1.00 (www.typofaktum.de)

Updated, Interactive Mixing Typefaces (private.gabrielmcgovern.com)
CSS Typography Reference Sheet (speckyboy.com)
Periodic Table of the ASCII Characters (www.funnypolynomial.com)
Periodic Table of Typefaces (www.behance.net)
Common Windows fonts & Mac equivalents (www.ampsoft.net)
Fonts for iPad & iPhone (www.michaelcritz.com)
Web Safe Fonts Cheat Sheet (paulirish.com)
So You Need A Typeface (inspirationlab.wordpress.com)
iOS Fonts Cheat Sheet (www.iosfonts.com)
W3C Cheat Sheet (www.w3.org)
Web Safe Fonts Cheat Sheet v.2 (www.mightymeta.co.uk)
The Anatomy of Type Wallpaper (font.is)
Typography Keyboard Layout (www.smashingmagazine.com)
Typographic Sins Cheat Sheet (www.quicklycode.com)

Ubercart Installation Cheat Sheet (www.ubercart.org)
Ubercart Installation Cheat Sheet (www.ubercart.org)

Useful Shortcut Keys In Ubuntu (maketecheasier.com)
Ubuntu keyboard shortcut cheatsheet (bitkickers.blogspot.com)
Ubuntu keyboard shortcut cheatsheet (dl.dropbox.com)
Ubuntu Cheat Sheet (fosswire.com)
Linux Package Management Cheatsheet (lpilinux.com)
dpkg command cheat sheet for Debian Linux (www.cyberciti.biz)
Ubuntu Cheatsheet - Useful System Commands (maketecheasier.com)

UML Cheatsheet (www.loufranco.com)
Allen Holub's UML Quick Reference (www.holub.com)
UML Quick Reference Card (tnerual.eriogerg.free.fr)

Underscore.js API Cheat sheet (aveic.ru)

Die Unicode-Datenbank (German) (www.sql-und-xml.de)
Nice Entity - "Find Your Character!" (nice-entity.com)
A to Z Index of Unicode Characters (www.fileformat.info)
Unicode table for you (www.ftrain.com)
Common Unicode Glyph Cheat Sheet (sheet.shiar.nl)
Unicode table for you (www.ftrain.com)
Common Unicode Characters (sheet.shiar.nl)
Unicode Entity Codes for Math (tlt.its.psu.edu)
Unicode Codepoint Chart (inamidst.com)
The Unicode Character Code Charts By Script (www.utf.ru)

Commonly Used Unix Commands (www.eec.com)
Unix Tool Box (wiki.timgurney.net)
TCP/IP UNIX Command Equivalents Reference Card (h71000.www7.hp.com)
Unix/Linux Command Cheat Sheet (fosswire.com)
My Unix cheat sheet - Networking (icodeinc.com)
Brief overview of Unix / Linux commands (www.computerhope.com)
Unix Toolbox (cb.vu)
Rosetta Stone for Unix (bhami.com)
My Unix cheat sheet - SUDO (icodeinc.com)
Sed UNIX Stream Editor Cheat Sheet (www.catonmat.net)
Unix Refcard (doc.es.aau.dk)
Networking Cheats - Cheat sheet for commonly used Unix networking commands (www.eec.com)
UNIX / Linux Shell Cheat Sheet (steve-parker.org)
Command Cheats - Cheat sheet for commonly used Unix commands (www.eec.com)
Quickies for Unix (borkware.com)
The HACMP cheat sheet (www.ibm.com)
Set Operations in Unix Shell (www.catonmat.net)
My Unix Cheat sheet - Working with processes (icodeinc.com)
Unix Guide (www.webmonkey.com)
UNIX-Referenzkarte [German] (www.jamesie.de)
CHMOD Chart (www.draac.com)
Unix Toolbox (cb.vu)
My Unix cheat sheet - Working with RSYNC (icodeinc.com)
My Unix cheat sheet - Working with filesystem (icodeinc.com)
Sed Stream Editor Cheat-Sheet (www.catonmat.net)
My Unix Cheat sheet - System information (icodeinc.com)
Unix Beginners QuickSheet (www.tablespace.net)
OpenSSH quick reference (www.quicklycode.com)
Ed - Unix Text Editor - Cheat Sheet (www.catonmat.net)
Quick Reference: UNIX Commands (it.unm.edu)
My Unix cheat sheet - SSH (icodeinc.com)
Basic Unix Commands (www.cs.colostate.edu)
Unix Commands Cheat Sheets (www.ensyncsolutions.com)
Shell Programming Quick Reference Guide (www.mikeoliveri.com)
Treebeard's Unix Cheat Sheet (www.rain.org)
Unix/Linux Command Reference (files.fosswire.com)

Linux Package Management Cheatsheet (lpilinux.com)
Package Management Cheatsheet (lpilinux.com)

25-point Website Usability Checklist (usereffect.com)
Web standards checklist (www.maxdesign.com.au)
25-Point Website Usability Checklist (www.usereffect.com)

PHP UTF-8 cheatsheet (developer.loftdigital.com)

Getting Started with Vaadin (refcardz.dzone.com)

VBScript Functions (www.w3schools.com)
ASP / VBScript Cheat Sheet (www.addedbytes.com)
ASP / VBScript Cheat Sheet (www.addedbytes.com)
JavaScript 5.6/VBScript Regular Expression Syntax (www.regextester.com)

VGAM Reference Card (www.stat.auckland.ac.nz)

Graphical Vi/Vim (www.viemu.com)
Beginner's Linux Cheat Sheets - Bash and Vi/Vim (chembytes.wikidot.com)
Vi Reference (with some Vim hints) (www.selectorweb.com)
Advanced Vi Cheat Sheet (www.lagmonster.org)
Advanced Vi Cheat Sheet (www.lagmonster.org)
vi help sheet (www.shell-tips.com)
Vi Editor Cheat Sheet (fidelio.cacs.louisiana.edu)
My vi/vim cheatsheet (www.worldtimzone.com)
VI / VIM (Linux Terminal) Help Sheet (downloads.gosquared.com)
vi/vim cheat sheet (sheet.shiar.nl)
Bash Vi Editing Mode Cheat Sheet (www.catonmat.net)
vi (aka vim) tutorial, tips, tricks and useful commands (www.zinkwazi.com)
Interactive Vi/Vim Cheat Sheet (sheet.shiar.nl)
vi Cheat Sheet (www.eec.com)
Vi Cheat Sheet (wiki.timgurney.net)
Quick Reference: vi Editor Commands (it.unm.edu)
Vi Cheat Sheet (www.lagmonster.org)
Basic vi Commands (www.cs.colostate.edu)
vi editor cheat sheet (www.superbly.ch)
Vi Cheat Sheet (shrubbery.mynetgear.net)
K Computing vi Editor Cheat Sheet (www.kcomputing.com)
Graphical vi/vim Cheat Sheet and Tutorial (www.viemu.com)
emacs for vi users (www.grok2.com)
vi cheat sheet (www.ensyncsolutions.com)
UNIX Vi Commands Cheat Sheets [Registration required] (downloads.techrepublic.com.com)
VI (Linux Terminal) Help Sheet (www.gosquared.com)
vi editor Quick Reference (adminschoice.com)
Commonly Used vi Commands (www.eec.com)
Vi Reference Card (limestone.truman.edu)
vi Complete Key Binding List (hea-www.harvard.edu)

Open Source Media Framework: Building Simple Custom Video Players

VIM Quick Reference (tnerual.eriogerg.free.fr)
The Vim commands cheat sheet - 1.2 (www.tuxfiles.org)
Joe Martinez Learning Vim The Pragmatic Way (jrmiii.com)
Vim Commands Cheat Sheet (www.fprintf.net)
Vim fuer Programmierer [German] (www.guckes.net)
Graphical vi/vim Cheat Sheet and Tutorial (www.viemu.com)
Essential Vim (www.pixelbeat.org)
VIM Commands Cheat Sheet (vntutor.blogspot.com)
Vim cheat sheet for programmers (michael.peopleofhonoronly.com)
Vim LaTex-Suite Reference Card (users.physik.fu-berlin.de)
Vi Reference Card: The Back Side - Vim Extensions (limestone.truman.edu)
Vim Cheat Sheet (www.terminally-incoherent.com)
Graphical Vi/Vim (www.viemu.com)
Vim Reference Card (insenvim.sourceforge.net)
Vim cheat sheet (tjl2.com)
Beginner's Linux Cheat Sheets - Bash and Vi/Vim (chembytes.wikidot.com)
Vim Visual Cheat Sheet (people.csail.mit.edu)
Vim Quick Reference Card (users.physik.fu-berlin.de)
Vi Reference (with some Vim hints) (www.selectorweb.com)
Vim Commands Cheat Sheet (bullium.com)
Advanced Vi Cheat Sheet (www.lagmonster.org)
Vim for Programmers (www.guckes.net)
Vim Referenz Karte [German] (www.duetsch.info)
Best of Vim Tips (zzapper.co.uk)
vi help sheet (www.shell-tips.com)
100 Vim commands every programmer should know (www.catswhocode.com)
My vi/vim cheatsheet (www.worldtimzone.com)
VI / VIM (Linux Terminal) Help Sheet (downloads.gosquared.com)
vi/vim cheat sheet (sheet.shiar.nl)
vi (aka vim) tutorial, tips, tricks and useful commands (www.zinkwazi.com)
Vim Commands Cheat Sheet (bullium.com)
Interactive Vi/Vim Cheat Sheet (sheet.shiar.nl)
Textmate to VIM Guide (www.jackkinsella.ie)

Vimperator cheat sheet (sheet.shiar.nl)
Vimperator Keyboard Shortcuts Visual Sheet (simplicityroad.livejournal.com)

My Unix cheat sheet - VPN (icodeinc.com)
Unix Toolbox (cb.vu)

Getting Started with Virtualization
Virtualization for Dummies Cheat Sheet (www.dummies.com)

37 keyboard shortcuts for moving faster in the Visual Basic Editor [Registration required] (blogs.techrepublic.com.com)
LINQ to SQL cheat sheet (damieng.com)
Microsoft Visual Basic Default Keybindings for Visual Studio 2005 (download.microsoft.com)
C# and VB.NET Comparison Cheat Sheet (aspalliance.com)
Visual Basic 6 Reference Sheet (downloads.dreamincode.net)
VB.NET Basics Reference Sheet (www.dreamincode.net)
Microsoft Visual Basic Default Keybindings for Visual Studio 2008 (www.microsoft.com)
Microsoft Visual Visual Basic 2010 Default Key Bindings Card (www.microsoft.com)
Visual Basic Toolbar & Menus Cheat Sheet (www.learnvisualstudio.net)
VB.NET and C# Comparison (www.harding.edu)
Cheat Sheet - Casting in VB.NET and C# (www.codeproject.com)

Visual Basic Toolbar & Menus Cheat Sheet (www.learnvisualstudio.net)

A Periodic Table of Visualization Methods (www.visual-literacy.org)

VLAN Cheat Sheet (packetlife.net)

ESX Engineer Configuration Commands Cheat Sheet (blog.aarondelp.com)

VI3 Card (www.vreference.com)

VI Toolkit Quick Reference Guide (www.virtu-al.net)

vSphere 4 Reference Card (www.vreference.com)

Google Voice Cheat Sheet (static.coolgeex.com)
VOIP Basics (packetlife.net)
VOIP Basics (packetlife.net)

W3C Cheat Sheet (www.w3.org)
Mobile Web Application Best Practices Cards (www.w3.org)

jQuery cheatsheet wallpaper (chris4403.blogspot.com)
OpenBSD Commands Wallpaper (technology.desktopnexus.com)
Textmate cheat sheet wallpaper (simplesideias.com.br)

Cheat Sheet - Watir (wiki.openqa.org)

Google Wave Commands Cheat Sheet (thechrisvossshow.com)

Web Content Accessibility Cheat Sheet (www.notesondesign.net)

Mobile Web Application Best Practices Cards (www.w3.org)
960 Grid System 12 column Cheat Sheet (www.davidgmead.com)

Web Design All-in-One For Dummies Cheat Sheet (www.dummies.com)
Mobile Web Best Practices (MWBP) Flipcards (www.w3.org)
Web Design Best Practices Checklist (terrymorris.net)
User Centred Design - Infographic Poster (www.paznow.com)
Web Designers' Browser Support Checklist (www.findmebyip.com)
Web Design Checklist (www.boxuk.com)
Web Page Design Checklist (ali.apple.com)

Common Copy (www.commoncopy.com)

Web standards checklist (www.maxdesign.com.au)

web2py Cheatsheet (www.web2py.com)
web2py cheat sheet (www.web2py.com)

WebGL 1.0 API Quick Reference Card (www.khronos.org)
WebGL Cheat Sheet (blog.nihilogic.dk)
WebGL Cheat Sheet (www.nihilogic.dk)

WebKit CSS3 Cheat Sheet (www.sencha.com)

The Ultimate Website Launch Checklist (www.boxuk.com)

Wikipedia:Cheatsheet (en.wikipedia.org)

Win32 Assembly Cheat Sheet (www.strchr.com)

Common WinDbg Commands (Thematically Grouped) (windbg.info)
WinDbg / SOS Cheat Sheet (geekswithblogs.net)

Cloud Computing with Windows Azure Platform
Windows PowerShell
WebMatrix: Advanced Web Development Made Simple
Windows Phone Theme Resources Quick Reference (static.gordon-breuer.de)
Windows PowerShell Quick Reference (www.quicklycode.com)
Windows Phone 7 Gestures Cheat Sheet (adamkinney.com)
Windows 7 Cheat Sheet (webjawns.com)
Windows Phone 7 Cheat Sheet for designers (nordkapp.fi)
Windows 7 Cheat Sheet (www.hungry-hackers.com)

100 keyboard shortcuts for moving faster in Windows 7 [Registration required] (downloads.techrepublic.com.com)
Windows 7 Cheat Sheet (www.hungry-hackers.com)
Windows 7 Hotkey Cheat Sheet (radicaldevelopment.net)
*Actually Useful* Windows Keyboard Shortcuts - including new Windows 7 tricks (www.reddit.com)
Windows 7 Keyboard Shortcuts (windows.microsoft.com)
The Most Useful Keyboard Shortcuts for .NET Developers (mahdi.mp)
Windows 7 Cheat Sheet (webjawns.com)
Windows 7 For Dummies Cheat Sheet (www.dummies.com)
Windows 7 Beta hotkey cheat sheet (brandonlive.com)
Windows 7 Hotkeys - Keyboard Shortcuts (allhotkeys.com)

Windows Phone 7 Theme Resources Quick Reference Sheet (gordon-breuer.de)
Windows Phone 7 Gestures Cheat Sheet (adamkinney.com)
Windows Phone 7 Cheat Sheet (nordkapp.fi)
Windows Phone 7 Design Guidelines - Cheat Sheet (blogs.msdn.com)

Windows Server 2008 Active Directory Components (www.microsoft.com)
Windows Server 2008 Feature Components (www.microsoft.com)

Microsoft Windows Vista Quick Reference Card (www.customguide.com)
76 keyboard shortcuts for moving faster in Windows Vista [Registration Required] (downloads.techrepublic.com.com)

Windows XP Commands (ss64.com)
50+ keyboard shortcuts for moving faster in Windows XP [Registration Required] (downloads.techrepublic.com.com)
Microsoft Windows XP - Command-line reference A-Z (www.microsoft.com)
Microsoft Windows XP Quick Reference Card (www.customguide.com)
Windows XP Services Reference (www.chrisdottodd.com)
List of the keyboard shortcuts that are available in Windows XP (support.microsoft.com)
XP Keyboard Shortcuts: Version 2 (Tri-fold) (www.chrisdottodd.com)

IEEE 802.11 Wireless cheat sheet (packetlife.net)

Wireshark Display Filters Cheat Sheet (packetlife.net)

IEEE 802.11 Wireless cheat sheet (packetlife.net)

WordPress Cheat Sheet für Theme Tags (German) (bueltge.de)
WordPress 3.0 Cheat Sheet (www.hpvorlagen24.de)
Wordpress Help Sheet (www.gosquared.com)
Wordpress Template Tags Cheatsheet (www.wpexplorer.com)
WordPress 3 Template Hierarchy (digwp.com)
WordPress Template Hierarchy Cheat Sheet (www.texto.de)
WordPress 3.0 Cheat Sheet (outsourceage.com)
WordPress Cheat Sheet für Plugin-API (German) (bueltge.de)
WordPress 3 Template Hierarchy Cheat Sheet (digwp.com)
WordPress Cheat Sheet für Widgets (German) (bueltge.de)
My Wordpress Cheat Sheet (www.graphicrating.com)
SEO for WordPress Cheat Sheet (www.tekka.de)
WP Help Sheet (frozr.com)
Wordpress SEO cheat sheet (www.mrkirkland.com)
WordPress 3.0 Template & Tags Cheat Sheet (www.hpvorlagen24.de)
WordPress blog maintenance checklist (max.limpag.com)
Wordpress 3.0 Cheet Sheet (All Short Codes) (outsourceage.com)
WordPress Template Designer Cheatsheet v1.0 (anton.shevchuk.name)
WordPress Theme Development Check List (wptoy.com)
Cheat Sheet: SEO for Wordpress (www.tekka.de)
WordPress Theme Development Check List (wptoy.com)
WordPress Reference Guide (www.dbswebsite.com)
WordPress Cheat Sheet für The Loop (German) (bueltge.de)
The Advanced WordPress Help Sheet (wpcandy.com)
Wordpress Theme Development Checklist (www.chitich.com)
WordPress Template Tags Cheat Sheet (yojance.com)
WordPress Update Cheat Sheet [German] (www.texto.de)
WordPress v3.0+ Template Tag Reference Guide (www.dbswebsite.com)
WordPress Template Tags Cheat Sheet (yojance.com)
WordPress Visual Cheat Sheet (woorkup.com)
Complete WordPress Cheat Sheet (ekinertac.com)
WordPress Theme Building Cheat Sheet (www.wpexplorer.com)
Wordpress Template Tag Reference Guide (www.dbswebsite.com)
Complete wordpress cheatsheet (ekinertac.com)
WordPress 3.0 Cheat Sheet (Chuleta de WordPress 3.0) (academiaphp.com)
WordPress help (wpcandy.com)
WordPress Help Sheet Wallpaper (www.quicklycode.com)

World of Warcraft Cheat Sheet (www.addedbytes.com)

World of Warcraft Cheat Sheet (www.addedbytes.com)

XAML for WPF Cheat Sheet (blog.blueboxes.co.uk)
WinForm / WPF Cross-Reference (www.simple-talk.com)

wxWidgets Class Hierarchy Poster (www.codeproject.com)

XEmacs Reference Card (doc.es.aau.dk)

gcc x86 Assembly Quick Reference ("Cheat Sheet") (www.cs.uaf.edu)

XAML for WPF Cheat Sheet (blog.blueboxes.co.uk)

XChat Help (t0x.in)

Complete Xcode Keyboard Shortcut List (Mac OS X 10.5 Leopard) (cocoasamurai.blogspot.com)
Xcode Shortcuts (Mac OS X 10.6 Snow Leopard) (cocoasamurai.blogspot.com)
Xcode Shortcuts Updated for Xcode 3.2 on Mac OS X 10.6 Snow Leopard (cocoasamurai.blogspot.com)
Xcode Objective-C Macros For iPhone Programmers (www.mobileorchard.com)
Xcode Objective-C Macros Cheatsheet For iPhone Programmers (www.mobileorchard.com)
Xcode shortcuts cheatsheet (s3.amazonaws.com)

XEN Server Status Monitoring Command Cheat Sheet (www.cyberciti.biz)
Managing Xen using the xm Command-line Tool (www.techotopia.com)
Xen Cheat Sheet (www.logicalwebhost.com)
Xen - Cheatsheet (www.logicalwebhost.com)
Xen : Administration commands (unixfoo.blogspot.com)
Xen Cheat Sheet (www.melit.be)

HTML / XHTML Standard Attributes (www.w3schools.com)
HTML/XHTML in one page (www.html.su)
Special Markup and Internationalisation Characters (cloford.com)
(X)HTML Elements and Attributes (www.elizabethcastro.com)
HTML / XHTML Standard Event Attributes (www.w3schools.com)
XHTML Character Entity Reference (www.digitalmediaminute.com)
Character Entity References in HTML 4 and XHTML 1.0 (www.elizabethcastro.com)
Basic HTML Cheat Sheet (newgate.ca)
(X)HTML Character Entity Reference (www.digitalmediaminute.com)
Basic HTML Cheat Sheet (newgate.ca)
XHTML Cheat Sheet v1.03 (cdburnerxp.se)
Web Design All-in-One For Dummies Cheat Sheet (www.dummies.com)
HTML 4.01 / XHTML 1.0 Reference Ordered Alphabetically (www.w3schools.com)
Recommended List of DTDs (www.w3.org)
(X)HTML Elements and Attributes (www.elizabethcastro.com)
HTML/XHTML Quick Reference Card (www.explainth.at)
HTML 4.01 / XHTML 1.0 Reference Ordered by Function (www.w3schools.com)
HTML/XHTML Character Entities (www.html.su)
HTML & XHTML Cheat Sheet (www.petefreitag.com)
XHTML 1.1 Cheatsheet (blog.acodingfool.com)
Core HTML (refcardz.dzone.com)
HTML & XHTML Tag Quick Reference (library.albany.edu)
XHTML Basic 1.1 Cheat Sheet (www.w3.org)
HTML/XHTML Elements and Valid DTDs (www.w3schools.com)

Getting Started with Apache Ant
Dependency Injection in EJB 3
JBoss RichFaces
Expression-Based Authorization with Spring Security 3
Essential EMF
Getting Started with Infinispan
Flex & Spring Integration
Core Seam
The Top Twelve Integration Patterns for Apache Camel
Using XML in Java
Spring Configuration
JavaServer Faces
Apache Solr: Getting Optimal Search Results
Flex 4 and Spring 3 Integration
RichFaces 4.0: A Next Generation JSF Framework
Understanding Lucene: Powering Better Search Results
Fusebox 5.5 XML Cheat Sheet (www.dopefly.com)
XML (eXtensible Markup Language) in one page (www.xml.su)
Fusebox 5.5 XML Cheat Sheet (www.dopefly.com)
XML syntax quick reference (www.mulberrytech.com)
XSLT 2.0 Quick Reference (www.mulberrytech.com)
XML Reference (webref.info)
DTD (DocType Declaration) in one page (www.xml.su)

XML Schema Reference (www.w3schools.com)

Xmonad keybindings cheatsheet (haskell.org)
xmonad default bindings cheat sheet (haskell.org)

XQuery 1.0 and XPath 2.0 Functions and Operators Quick Reference (www.mulberrytech.com)
Xpath v2.0 Quick Reference (www.xml.dvint.com)
W3C Cheatsheet for developers (www.w3.org)
XPath, XQuery, and XSLT Functions (www.w3schools.com)
XPather Cheatsheet (xpath.alephzarro.com)
XSLT/XPath Quick Reference (www.globis.ethz.ch)
Rosetta Stone and Cookbook for XPath, CSS, DOM, and Selenium (www.simple-talk.com)
API and Dataset Cheatsheet (www.seomoz.org)
Regular Expressions in XSLT 2.0, XQuery 1.0 and XPath 2.0 Quick Reference (www.mulberrytech.com)
XPath 2.0 Quick Reference (www.mulberrytech.com)

XPather Cheatsheet (xpath.alephzarro.com)

XPath, XQuery, and XSLT Functions (www.w3schools.com)
Regular Expressions in XSLT 2.0, XQuery 1.0 and XPath 2.0 Quick Reference (www.mulberrytech.com)
XQuery 1.0 Quick Reference (www.mulberrytech.com)
XQuery 1.0 and XPath 2.0 Functions and Operators Quick Reference (www.mulberrytech.com)

XSLT 2.0 Quick Reference (www.mulberrytech.com)
Regular Expressions in XSLT 2.0, XQuery 1.0 and XPath 2.0 Quick Reference (www.mulberrytech.com)
XSLT/XPath Quick Reference (www.globis.ethz.ch)
XSLT 2.0 Quick Reference (www.mulberrytech.com)
XPath, XQuery, and XSLT Functions (www.w3schools.com)
XSLT Elements Reference (www.w3schools.com)

XSS (Cross Site Scripting) Cheat Sheet (ha.ckers.org)
XSS (Cross Site Scripting) Cheat Sheet (ha.ckers.org)

The Social Media Cheat Sheet (drewmclellan.typepad.com)
Yahoo Shortcuts (websearch.about.com)
Search Engine Query Cheat Sheets (www.e3internet.com)
Google and Yahoo Search Shortcuts Cheat Sheet (www.searchenginejournal.com)
YUI Lib: Animation (developer.yahoo.com)

Top 20 Search Engine Helpers (lifehacker.com)
The CMO's Guide To The Social Media Landscape (www.cmo.com)
50+ Google and Yahoo Search Shortcuts Cheat Sheet (www.searchenginejournal.com)

YQL Open Data Tables (developer.yahoo.com)
API and Dataset Cheatsheet (www.seomoz.org)
YQL for Developers (developer.yahoo.com)

YAML 1.1 Reference Card (www.yaml.org)

Search Engine Query Cheat Sheets (www.e3internet.com)
Russian Search Engine Query Cheatsheet V.2 (www.e3internet.com)

Yii Framework 1.1 Validators Cheatsheet (yii.googlecode.com)
Yii 1.0 Cheat Sheet (www.yiiframework.com)

Yorufukurou Keyboard shortcuts (dashkards.com)

The CMO's Guide To The Social Media Landscape (www.cmo.com)
The Social Media Cheat Sheet (drewmclellan.typepad.com)

YUI Library: Resize Utility Cheat Sheet (yuiblog.com)
YUI Library: Menu Cheat Sheet (yuiblog.com)
YUI Library: ImageCropper Control [beta] Cheat Sheet (yuiblog.com)
YUI Library: Slider with Dual Thumbs Cheat Sheet (yuiblog.com)
YUI Library: DataSource Cheat Sheet (yuiblog.com)
YUI Library: Charts Cheat Sheet (yuiblog.com)
YUI Library: Uploader Cheat Sheet (yuiblog.com)
YUI Library: Slider Cheat Sheet (yuiblog.com)
YUI Library: Animation Cheat Sheet (yuiblog.com)
YUI Library: Profiler Cheat Sheet (yuiblog.com)
YUI Library: JSON Utility Cheat Sheet (yuiblog.com)
YUI Library: Event Utility & Custom Event (yuiblog.com)
YUI Library: Dialog & SimpleDialog Cheat Sheet (yuiblog.com)
YUI to YUI3 Cheatsheet (yvoschaap.com)
YUI Library: Connection Manager Cheat Sheet (yuiblog.com)
YUI Library: YUI Loader Utility Cheat Sheet (yuiblog.com)
YUI Library: SWFStore Cheat Sheet (yuiblog.com)
YUI Library: Button Cheat Sheet (yuiblog.com)
YUI Library: ProgressBar Cheat Sheet (yuiblog.com)
YUI Library: Logger Cheat Sheet (yuiblog.com)
YUI Library: Browser History Manager Cheat Sheet (yuiblog.com)
YUI Library: Drag & Drop Cheat Sheet (yuiblog.com)
YUI Library: CSS Reset, Base, Fonts, and Grids Cheat Sheet (yuiblog.com)
YUI 2.8.0 Cheat Sheet Packet (yuiblog.com)
YUI Lib: Animation (developer.yahoo.com)
YUI Library: Carousel Cheat Sheet (yuiblog.com)
YUI Library: TreeView Cheat Sheet (yuiblog.com)
YUI Library: Selector Utility Cheat Sheet (yuiblog.com)
YUI Library: Panel Cheat Sheet (yuiblog.com)
YUI Library: ImageLoader Utility Cheat Sheet (yuiblog.com)
YUI Library: Rich Text Editor Cheat Sheet (yuiblog.com)
YUI Library: DataTable Cheat Sheet (yuiblog.com)
YUI Library: Color Picker Control Cheat Sheet (yuiblog.com)
YUI Library: The YAHOO Global Object Cheat Sheet (yuiblog.com)
YUI Library: Storage Utility Cheat Sheet (yuiblog.com)
YUI Library: AutoComplete Cheat Sheet (yuiblog.com)
YUI Library: ProfilerViewer Control Cheat Sheet (yuiblog.com)
YUI Library: Layout Manager Cheat Sheet (yuiblog.com)
YUI Library: Get Utility Cheat Sheet (yuiblog.com)
jQuery - YUI3 Rosetta Stone (carlos.bueno.org)
YUI Library: Dom Collection Cheat Sheet (yuiblog.com)
YUI Library: Cookie Utility Cheat Sheet (yuiblog.com)
YUI Library: YUI Test Utility Cheat Sheet (yuiblog.com)
YUI Library: TabView Cheat Sheet (yuiblog.com)
YUI Library: Calendar and CalendarGroup Cheat Sheet (yuiblog.com)

Package Management Cheatsheet (lpilinux.com)
Basic Yum Commands and how to use them (yum.baseurl.org)
Linux Package Management Cheatsheet (lpilinux.com)

Zelig for R Cheat Sheet (people.iq.harvard.edu)

Zen Coding 0.6 Cheat Sheet (www.aether.ru)
Zen Coding Cheat Sheet (zen-coding.googlecode.com)

Zen Coding Cheat Sheet 0.6 (www.aether.ru)
Zen Coding Cheatsheets (code.google.com)

Zend Framework coding standards (raphael.stolt.googlepages.com)
Zend Framework Dispatch Process Overview (www.quicklycode.com)
Zend Date Class Constants Cheat Sheet (techchorus.net)

Getting Started with the Zend Framework (refcardz.dzone.com)
Zend Framework coding standards on one page (raphaelstolt.blogspot.com)
Zend Framework Dispatch Process Overview (nethands.de)
Zend Framework Database Cheatsheet (wiki.ekini.net)

ZFS Cheat Sheet Including Zpool, Quotas and Reservations (www.sysadmindayph.com)
ZFS Cheatsheet (www.lildude.co.uk)

Linux Package Management Cheatsheet (lpilinux.com)
Package Management Cheatsheet (lpilinux.com)


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