a library to provide abstract access to various archives. It is intended for use in video games, and the design was somewhat inspired by Quake 3's file subsystem. The programmer defines a "write directory" on the physical filesystem.
a 3D Collision Detection and Rigid Body Dynamics Library for games and animation. It is an Open Source multiplatform C++ project. Discrete and continuous collision detection, integrated into Blender 3D and COLLADA 1.4 Physics tools support.