GSL is aimed at providing a tool for rapid graphical programming. GSL is an object-oriented script language with graphical support. Its goal is to provide an easy way to specify worlds and at the same time enable the coding of behaviours of those worlds.
The Alhacen Ray Tracer is an open source real time ray tracer aimed at achieving competitive 3d graphics performance on everyday computers while allowing for dynamic reflections and global illumination. It is written in the C programminglanguage.