Physics in Flash
Physics engine for flash in 2D - Box2DFlashAS3 is an open source port of Erin Catto’s powerful c++ physics library.
Physics engine for flash in 2D - Box2DFlashAS3 is an open source port of Erin Catto’s powerful c++ physics library.
Not exactly sure if it is the “Top 40 Free Downloadable Open Source Social Networking Software” but worth a mention…link