Fanvas is a tool which can turn flash into canvas animation
Hui or Pascal's Triangle into shaped Geometry, 3D
DragonBones DesignPanel
Legacy Flash-based version of the Scratch programming editor
Away3D engine for Flash Player 11
The Flixel Power Tools are a set of plug-ins for Flixel 2.5+
Set of actionscript tools to export animations and graphic assets
Collection of scanned/digitized books, tutorials, and source code
Alternativa3D Flash GPU accelerated 3D engine
Actionscript 3 Particle Engine for Flash and Flex