Gimpel3D - 2D/3D Stereo Conversion Editor
Support for jgeom, the java geometry graphics library using NURBS
VB6 Raytracer
Simple 3D viewer
Real-time 3D visualization of space
A small simple system for 3d line drawings in LaTeX.
https://github.com/horde3d/Horde3D
java maze generator
3d printing software
In-flight navigation (and more) for private pilots (Linux).