Orx: Portable Game Engine
X3D Prototypes for the SMUOS Component
Build Cross-platform Applications
Asphyre is a cross-platform framework for Delphi and FreePascal.
Flexible and easy-to-use 2d game engine
Multimedia asset management and manipulator for Étoilé
2D Game Engine, based on OpenGL and focused on Isometric Games
Pear3DEngine is a modern and modular 3D development framework
A cross-platform OpenGL based lightweight scenegraph library
A framework for games with defense towers along a path.
Game framework on top of Python, Panda3D and Twisted
Make games with Lego-like building blocks
The Objective-C Interactive Simulation Abstraction Layer