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
C++ header-only library that simulates GLSL math
Tools to process and visualize scientific data and images
Doing 3D with Tcl
realistic driving simulation + functions for 2D/3D graphics
A simple 3D framework in C++
CIRT - CUDA Interactive Ray Tracer
A real-time 3D Engine written in Ada