Nyquist is a language for sound synthesis and music composition.
FlightGear Flight Simulator: free open-source multiplatform flight sim
2D & 3D TeX-Aware Vector Graphics Language
CIRT - CUDA Interactive Ray Tracer
itom - an Open Source Measurement, Automation and Evaluation Software
HARFANG 3D source code public repository
Rayshade raytracer
Tao3D is a programming language for real-time interactive 3D
Minimalistic NCL (nested context language) implementation.
Program for drawing 3D surfaces from parametric equations
Control for Novation Launchpad on linux
Perl bindings to the Modern OpenGL API