A real-time 3D engine for DOS-talgics (see GLOBE_3D for new stuff !)
LDraw™ editor for LEGO® style digital building instructions.
Realtime raytracer using SIMD on ARM, MIPS, PPC and x86
Scanning Probe Microscopy Controller and Data Visualization Software
A framework for distributed computing
XNA based game engine completely written in c#
A simple web interface for Blender, for rendering animations..