Open source library for creative expression on the web, desktop, etc.
One framework for creating powerful cross-platform games
Game engine supporting many 3D/2D formats and graphic effects
CSG for jMonkey
Source code of the chapters of the book 3D Game Development with LWJGL
Portable game engine with main focus on point-and-click adventures
Asphyre is a cross-platform framework for Delphi and FreePascal.
3D .NET engine for Windows, Linux, Mac
A cross-platform game framework based on OpenGL and GObject.
2D Game Engine, based on OpenGL and focused on Isometric Games
Pear3DEngine is a modern and modular 3D development framework
Multi-Language Wrapper Collection for the Irrlicht Engine
A cross-platform OpenGL based lightweight scenegraph library
A cross-platform Java 2D graphics library using OpenGL.