OpenGL Mathematics (GLM)
Javascript Matrix and Vector library for High Performance WebGL apps
3D .NET engine for Windows, Linux, Mac
Easy plotting of images pixel by pixel!
shader editor
A raytracing framework for optical/non-optical physics simulations
Pear3DEngine is a modern and modular 3D development framework
Easy to use physics simulation combining ODE with OpenInventor.
1st 3D game engine built in C# for .NET, Visual3D Engine's predecessor