Complete Java bindings for the Chipmunk 2D rigid body physics library.
Currently requires Java 1.5 but can easily adapted to pre-1.5 versions. Build currently only works on OS X 10.4 and better but should be easy to adapt to other platforms.
Free open source cross-platform 2D game engine written in C.
Beta development stage.
Supported platforms: PC (Linux, FreeBSD), iPhone.
Game code: Lua.