Crystal Space is an Open Source 3D SDK for Unix, Windows, and MacOS/X. It renders with OpenGL and features GLSL shaders, CG shaders, deferred rendering, dynamic shadows, bullet based physics library, terrain engine, skeleton based animation meshes, exporter for Blender, portals, etc...
Features
- Flexible plugin system
- Sound and 3D sound support
- OpenGL and advanced shader support using CG
- Physics using Bullet or ODE plugins
- Terrain engine
- Particle systems
- Skeletal animation system
- GUI integration with CEGUI
- XML format
- Very well supported scripting engine with Python and Java


