Console-based GLSL Sandbox for 2D/3D shaders shaders
Tiny OpenGL Wrapper / 3D Engine in C++
MIT Licensed Open Source version of Torque3D from GarageGames
Simple and quick 2D/3D graphics engine for simulation.
A shader-based software renderer written from scratch in C89
Realtime 3D engine for game development
3D .NET engine for Windows, Linux, Mac
.NET - VISUAL BASIC NVIDIA +ATI PHYSX SLIMDX DIRECTX 9 -ENGINE/WRAPPER
A simple particle physics simulation in XNA