PHIGS (Programmer's Hierarchical Interactive Graphics System)
action/combat flight sim
A cross-platform game framework based on OpenGL and GObject.
Gimpel3D - 2D/3D Stereo Conversion Editor
Imprudence is an open source metaverse viewer project.
A program that can be used to generate normal maps from images .
Simple 3D viewer
Pear3DEngine is a modern and modular 3D development framework
Minimalist 3D Scenegraph Management Framework
Real-time 3D visualization of space