3D Engine with Blender Integration
FlightGear Flight Simulator: free open-source multiplatform flight sim
C++ header-only library that simulates GLSL math
rayshade and POV for Mathematica Export + view
3D Software Renderer in 700 Lines
Renderer single image as cylinder to skybox
Minimalist 3D Scenegraph Management Framework
A Lightweighted Toolkit For Volume Rendering