3D Without Boundaries
FlightGear Flight Simulator: free open-source multiplatform flight sim
An interactive viewer for three-dimensional chemical structures.
Scanning Probe Microscopy Controller and Data Visualization Software
Tao3D is a programming language for real-time interactive 3D
PyMOL is an OpenGL based molecular visualization system
3D Charts - Templates for PovRay(TM)
Program for drawing 3D surfaces from parametric equations
an interactive 3D viewing program
Pear3DEngine is a modern and modular 3D development framework
C++ class library for programming interactive 3D graphics with OpenGL