Open game and rendering engine packed into a JavaScript framework
Vivid3D is a C++ IDE/3D engine, with python scripting.
Cross Platform Professional Procedural Terrain Generation & Texturing
A world editor for HGE game engine written in python and uses OpenGL.
3D world editor for game development
Pear3DEngine is a modern and modular 3D development framework
3D modeling for everybody
1st 3D game engine built in C# for .NET, Visual3D Engine's predecessor