Open source cross-platform Java Visual Traceroute
Scanning Probe Microscopy Controller and Data Visualization Software
Open Source Solid Modeling CAD
Atari 2600, C64, Python, 3D engines and rock'n roll
gMol molecular graphics
Alignments in Rotating Cylinder / 3D
Organizing the Knowledge of Humanity
1st 3D game engine built in C# for .NET, Visual3D Engine's predecessor