Mac OS X and Windows OpenGL 3D Engine tools, content and code to create games and applications. Newton physics, OpenAL sound with OGG Vorbis, Lua, Revolution, written in C.
Combines Blender's graphical interface and rendering capabilities with MBDyn's multi-body dynamics, aerodynamics, and aeroelastics simulation and analysis, for rapid modeling and realistic rendering of physics based multi-body simulations.
Geist3D is a graphics engine complete with an integrated development environment. It combines an extensible Scene Graph API with a Petri Net runtime kernel, the Lua scripting engine and rigid body physics.