a parametric 3D CAD modeler
Swiss army knife of image processing
SIMD-accelerated libjpeg-compatible JPEG codec library
Unofficial Windows builds of FontForge
A small C library for building user interfaces with C, XML and CSS.
Fast, advanced, multi-platform fractal generator
Imagin Raytracer is a multithreaded command line raytracer
simple 3d scene viewer for windows/linux/android
A windows CAD system with plugins written in C