JVisual3D is a GUI library, 3D geometry viewer and a mathematical visualization software written in pure java. It is comparable with the well known javaview project. This is under GPL. Create, manipulate and display easiely meshes, 3d shapes, surfaces,..
Raytrace is designed to be a completely platform independant Raytracer which includes a Gui interface. Designed and written in Sun Microsystem's Java language.