These are open source and commercial projects related to Flex. If you think a project should be listed here please let us know on the Flex SDK General Discussion List.
If you're interested in working on a project, please check out our Suggested Projects page.
These projects are either sponsored by Adobe or have heavy participation from Adobe employees.
Name
Description
License
BlazeDS
Server-based Java remoting and web messaging technology for sending data to and from Flex applications
LGPL
Cairngorm
Popular lightweight architecture for building Flex applications
BSD
Corelib
Classes and utilities for working with AS3
BSD
FlexUnit
Unit testing framework for AS3 and Flex applications
BSD
OSMF
OSMF enables developers to easily assemble pluggable components to create high-quality, full-featured playback experiences
MPL
Tamarin
The goal of the "Tamarin" project is to implement a high-performance, open source implementation of the ActionScript™ 3 language, which is based upon and extends ECMAScript 3rd edition (ES3).
MPL
TLF
The Text Layout Framework is an extensible ActionScript library, built on the new text engine in Adobe® Flash® Player 10.
MPL
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Projects in the Flex Ecosystem can be found on Adobe.com.
A comprehensive listing of open source projects related to Flex and Flash can be found on OSFlash. Note: many listings may be out of date.
A more recent listing can be found on the blog of minidxer.
Note: We've decided not to try and maintain yet another "master" list here. If you think we should, feel free to raise this on the forums.