2D GPU-accelerated framework for ActionScript developers
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
Gestouch: multitouch gesture recognition library for Flash
The Flixel Power Tools are a set of plug-ins for Flixel 2.5+
Collection of scanned/digitized books, tutorials, and source code
Alternativa3D Flash GPU accelerated 3D engine
Actionscript 3 Particle Engine for Flash and Flex
Actionscript Flash 3D Controls (GL3DC AS3 version)