Gideros Release version
Game engine supporting many 3D/2D formats and graphic effects
Source code of the chapters of the book 3D Game Development with LWJGL
Vivid Engine 2 is an open source 3D Engine coded using C# and C++.
3D .NET engine for Windows, Linux, Mac
Mahasona engine is an open source game engine.
The Objective-C Interactive Simulation Abstraction Layer