3D Without Boundaries
FlightGear Flight Simulator: free open-source multiplatform flight sim
An interactive viewer for three-dimensional chemical structures.
3D Engine c++
3D fractal rendering software
A project that has moved to GitHub
LDraw™ editor for LEGO® style digital building instructions.
rayshade and POV for Mathematica Export + view
Open Source Solid Modeling CAD
PyMOL is an OpenGL based molecular visualization system
Program for drawing 3D surfaces from parametric equations