A physics editor, for physics based games and applications. Physics engine-independant. Renderer independent. See http://www.physicseditor.com . Supports .3ds, .obj, and .mesh (Ogre SDK) file formats and Newton, ODE, and Nvidia PhysX physics engines.
1st 3D game engine built in C# for .NET, Visual3D Engine's predecessor
The first 3D game engine built in C# for .NET, predecessor to the Visual3D Game Engine (https://www.poweraccess.net/visual3d-game-engine), an All-in-One Game Development Tool for Next-Gen 3D Games, MMOs, Simulations and Virtual Worlds powered by Microsoft XNA.