Open game and rendering engine packed into a JavaScript framework
Tiny OpenGL Wrapper / 3D Engine in C++
A tool for creating Terrains.
A customizable 3D platform for agent-based AI research
Realtime 3D engine for game development
Gphoton in a simple 3d modeler and ray tracer.
A public domain cross platform 3D game
3D .NET engine for Windows, Linux, Mac
XNA based game engine completely written in c#
Java 2D graphics/utility library
Access to Irrlicht Engine SDK from assembler, C, Python, Basic, Pascal