Bullet is a professional open source multi-threaded 3D Collision Detection and 
Rigid Body Dynamics Library. It is free for commercial use under the ZLib 
license.

The library is being used by several professional game developers on PC, 
PlayStation 3, XBox 360 and Nintendo Wii.

Sony Computer Entertainment provides a parallel SPU optimized version, and 
collaborations with IBM, Intel, AMD and NVidia to exploit their parallel 
hardware.

Bullet is native part of Blender 3D modeler and it supports COLLADA Physics 
file format.


WWW:	http://www.bulletphysics.com
