FlightGear Flight Simulator: free open-source multiplatform flight sim
C++ header-only library that simulates GLSL math
Scanning Probe Microscopy Controller and Data Visualization Software
Rayshade raytracer
A world editor for HGE game engine written in python and uses OpenGL.
Pear3DEngine is a modern and modular 3D development framework
QCSS Player by Shuffle
A small Game Engine project.