A project that has moved to GitHub
FlightGear Flight Simulator: free open-source multiplatform flight sim
3D Engine c++
An interactive viewer for three-dimensional chemical structures.
Open Source Solid Modeling CAD
Earth orbits and satellite coverage display in 3D on your laptop.
3D Without Boundaries
realistic driving simulation + functions for 2D/3D graphics
Doing 3D with Tcl
Xj3D is an open-source Java codebase for the X3D Graphics standard.
Scanning Probe Microscopy Controller and Data Visualization Software