Simple 3D viewer
Real-time 3D visualization of space
Minimalist 3D Scenegraph Management Framework
XNavigator is a Virtual Earth browser and viewer for http://osm-3d.org
3d printing software
Free vector,quaternion,matrix math library
In-flight navigation (and more) for private pilots (Linux).
osGraphX is a 3D file viewer based on openscenegraph.
Obsolete: use https://github.com/VMML/vmmlib
Quick project: Phong, Gouraud, Flat shading program (wire-frame also)
An application for analytic geometry education