W3C cheatsheet

A nice cheatsheet from the good people at W3C on developing for mobile, accessibility, i18n, and typography.

28 Useful Front End Web Developer Cheat Sheets

http://smashinghub.com/useful-front-end-web-developer-cheat-sheets.htm

jQuery 1.4 cheat sheet

http://www.stoimen.com/blog/wp-content/uploads/2010/01/impulse_studios-jquery_cheat_sheet-1.0.pdf

CSS 2.1 and CSS 3 Help Cheat Sheets (PDF)

http://www.smashingmagazine.com/2010/05/13/css-2-1-and-css-3-help-cheat-sheets-pdf/

60+ Very Useful Cheat Sheets for Web Developers

http://www.tripwiremagazine.com/2009/12/60-very-useful-cheat-sheets-for-web-developers.html

HTML5 Visual Cheat Sheet (Reloaded)

http://woorkup.com/2009/12/16/html5-visual-cheat-sheet-reloaded/

35 Ultimate Useful CSS Cheats to Streamline Web Development

http://www.tutoriallounge.com/2009/12/35-ultimate-useful-css-cheats-to-streamline-web-development/

20+ Awesome jQuery Compilations of Plugins, Tutorials and Cheat Sheets

http://www.tripwiremagazine.com/ajax/developer-toolbox/20-awesome-jquery-compilations-of-plugins-tutorials-and-cheat-sheets.html

5 favourites Web Developer Cheat Sheets Just for You to quickly overview Code Syntax

http://webmove.org/2009/11/15/5-favorites-web-developer-cheat-sheets-just-for-you-to-quickly-overview-code-syntax.html

The Ultimate List: Developer Cheat Sheets

http://www.webdesign-gm.co.uk/news/web-design/the-ultimate-list-developer-cheat-sheets.html

34 cheat sheets for web designers and developers

http://www.webanddesigners.com/34-cheat-sheets-for-web-designers-and-developers

Useful Cheat Sheets for Web Designers

http://www.linkive.com/home/browser/NjE2OTc=/Technology/28%20Useful%20Cheat%20Sheets%20for%20Web%20Designers

25 CSS CHEAT CODES: Designers & Developers Delight

http://www.bestpsdtohtml.com/25-css-cheat-codes-designers-developers-delight/