flixel.org — Just released by Adam 'Atomic' Saltsman for the benefit of indie devs everywhere: the Flixel engine, an open-source, fully featured, newly updated version of the Flash AS3 library Saltsman used for both his original web hit Gravity Hook, and the most recent Offworld-featured Fathom. read more...
poljeremias.com — Pol has posted a tutorial on how to use flash in your 3D games in a really fast and easy way. The library that he covers is gameswf (pronounced “game swiff”) and it is open source. read more...