Open Source Solid Modeling CAD
Tools to process and visualize scientific data and images
Earth orbits and satellite coverage display in 3D on your laptop.
LDraw™ editor for LEGO® style digital building instructions.
CIRT - CUDA Interactive Ray Tracer
realistic driving simulation + functions for 2D/3D graphics
3D Without Boundaries
Scanning Probe Microscopy Controller and Data Visualization Software
Source code for efficiently rendering parametrically defined surfaces
Functy is a 3D graph drawing package that generates immediate results.
A really simple (following K.I.S.S statement) ray tracing project.
A small simple system for 3d line drawings in LaTeX.