Orx: Data-Driven Game Engine
Updated emulator of Forgotten Realms: Unlimited Adventures
C/C++ , PHP, PYTHON, 3D ENGINES, CHROME NATIVE CLIENT
3D Game Engine
THIS SOFTWARE IS IN PRE-PRE-PRE-PRE-ALPHA. So don't really download it
Multi-threaded 2D Renderer licensed under the Mozilla Public License
Small OpenGL based game enegine
3D game engine for C and C++
A graphics engine + toolkit.
Game development toolkit
A DirectX based graphics/physics engine
The Objective-C Interactive Simulation Abstraction Layer
CM Game Development Kit