Web-based protein structure viewer and analysis tool
FlightGear Flight Simulator: free open-source multiplatform flight sim
A portable, multi-platform, command-line driven graphing utility
An interactive viewer for three-dimensional chemical structures.
very good CAD software
Toolkit for working with and mapping geospatial data
Open Source Solid Modeling CAD
Jiddu Krishnamurti's Book of Life|Libro de la Vida
A modern digital design tool.
3D modeler, 3D game maker, 3D demo maker
Java Fractal Image Compression based on Delaunay triangulation
JavaScript-Based Molecular Viewer From Jmol
Concise spatial query and representation system (c-squares)
Renders glycans and glycopeptides with frag. info using SNFG format
Extended emulation of metalic gear toy, creates curved line designs.
Fractals generator with powerful functionality.
Synthesizable SystemC Benchmark Suite