PHIGS (Programmer's Hierarchical Interactive Graphics System)
This project is no longer valid. See vpython.org.
Multimedia asset management and manipulator for Étoilé
Webgl Engine
Away3D engine for Flash Player 11
an interactive 3D viewing program
A world editor for HGE game engine written in python and uses OpenGL.
C++ Multimedia Engine
A cross-platform game framework based on OpenGL and GObject.
Gimpel3D - 2D/3D Stereo Conversion Editor
3D game engine for C and C++