aka ogre v2 - scene-oriented, flexible 3D C++ engine
Controls processing and daylight simulation with hierarchical models.
3D .NET engine for Windows, Linux, Mac
shader editor
A raytracing framework for optical/non-optical physics simulations
Pear3DEngine is a modern and modular 3D development framework
PixelLight is a cross-platform application framework
1st 3D game engine built in C# for .NET, Visual3D Engine's predecessor