Highly Optimized Graphics Math (glm) for C
Lynkeos is an astronomical webcam image processing software for OS X.
Another drawing editor for LaTeX with PSTricks & TikZ
C++ header-only library that simulates GLSL math
svg editor: Easily create documents for math, physics, chemistry...
Javascript Matrix and Vector library for High Performance WebGL apps
CAD application for Technical Drawing exercises
Flat, round, designer-friendly pseudo-3D engine for canvas & SVG
Gphoton in a simple 3d modeler and ray tracer.
Java library for drawing 2D charts with LaTeX math support
Free vector,quaternion,matrix math library
Obsolete: use https://github.com/VMML/vmmlib