CGL (C Game Library) is a multipurpose library
Codam's own fixed, functioning alternative of the miniLibX
Git GUI Client
Drawing, graphics conversion, software development, administration.
Real-Time Event Frameworks based on active objects & state machines
A canvas library for generating technical drawings
C library to read DWG files.
PHIGS (Programmer's Hierarchical Interactive Graphics System)
Simple crossplatform IDE for people who study programming
MicroLua brings Lua on the Nintendo DS for easy programming
A library to ease the making of CLI-games
A Tcl/Tk widget for OpenGL rendering.
Simple graphics, keyboard and mouse library with a C interface