Green is a graphical toolkit wich primry target is 3D photorealistic rendering. Upper project level can be concrete apllication such as 3DMax or Maya plugin or other. Project is on planning stage.
Java framework for the Renderman (c) Interface (http://www.pixar.com/renderman/) to transforms RIB into a XML format.
Ein Raytracer in C#
xizero is a 3d enhanced vertical scroller/shooter. It will run under linux and possibly windows and is a complete software renderer. More at: http://atcrosslevel.de