Hewlett-Packard's Linux imaging and printing software
SwiftShader is a high-performance CPU-based implementation
The open source mesh processing system
OpenGL Mathematics (GLM)
Real-time physically based rendering engine for Android, iOS, and more
aka ogre v2 - scene-oriented, flexible 3D C++ engine
ArrayFire, a general purpose GPU library
High-efficiency minimalist C++ wrapper for OpenGL 4.3
Panorama photo stitcher
Powerful desktop publishing software
FlightGear Flight Simulator: free open-source multiplatform flight sim
a parametric 3D CAD modeler
Swiss army knife of image processing
xBRZ: "Scale by rules" - high quality image upscaling filter by Zenju
A collection of packages providing extra functionality for GNU Octave
Open Source Solid Modeling CAD
3D Engine c++
2D & 3D TeX-Aware Vector Graphics Language
CGRU: Afanasy render farm manager and RULES project tracker.