ActionScriptCheatSheet.com offers a number of ActionScript related cheat sheets, including one for both version 2.0 and version 3.0 of ActionScript. There are cheat sheets listing the available packages, details about specific packages, and overviews. A lot of the cheat sheets are PDFs that contain multiple pages worth of information and have a very easy to follow layout. Along with the ActionScript cheat sheets, the author has created cheat sheets for Adobe Air, Papervision 3D, and Apollo.

Besides all the great cheat sheets available, there are also a number of blog posts, book reviews, and articles about Adobe Flex, Adobe AIR, ActionScript 3.0, Papervision3D, Cairngorm, Thermo, and BlazeDS.

This site is definitely worth checking out. It has a lot of great information to help you get started, expand you current knowledge, and/or speed up your development time with any of these technologies.

Who doesn't like a helpful cheat sheet to have around? They save so much time and really help you learn what you are working with in an easy to understand format. I have gathered a list of the cheat sheets I have found to be the most helpful. There are cheat sheets from PHP to CSS to RegEx, and I have listed over 40 different cheat sheets to help!

• Design
  • HTML (1) (2) (3)
  • CSS (1) (2) (3)
  • XML (1) (2) (3)
  • RGB Hex Color (1)
  • DOCTYPE (1)

• Programming
  • PHP (1) (2) (3)
  • ASP (1) (2)
  • JavaScript (1) (2)
  • Ruby On Rails (1) (2) (3) (4)
  • Perl/CGI (1) (2)
  • Ajax (1) (2) (3)

• Database
  • MySQL (1) (2)
  • PostgreSQL (1) (2)
  • SQL Server (1)
  • Oracle (1) (2)

• Other
  • Regular Expressions (1) (2) (3)
  • mod_rewrite (1)
  • htaccess (1)
  • RSS (1)
  • WordPress (1)
  • CHMOD (1)
  • Vi (1)
  • Social Bookmark Links (1)
  • SEO (1)

For even more resources check out this blog post on the Virtual Hosting Blog.

Update

Hey everyone. DZone also has some great cheat sheets. They have one of the best layouts available. They have topics ranging from ajax to Eclipse. You can check them out here.

What cheat sheets did I miss? Leave any missing cheat sheets you found helpful in the comments.