Support for legacy OpenGL in core profiles
Cross-platform, scientific graphics plotting library
Totally Helpful Extension classes for C++/C#
Real-time interactive 3D graphics API for scientific simulations
Semi-automatic neurite tracing with tera-bytes of imaging data.
a very lightweight advanced terrain-rendering and 3D map rendering sys
Accelerated Open-Source Neuromorphic Computing
Pear3DEngine is a modern and modular 3D development framework
9-Octave Chromatic Tuner
... the open-source glide computer