Satellite tracking software
2D & 3D TeX-Aware Vector Graphics Language
Virtual X-Ray Imaging Library on GPU
Routines for wavefront propagation in IDL, Matlab, and Python
Scanning Probe Microscopy Controller and Data Visualization Software
Static and Dynamic Structural Analysis of 2D and 3D frames.
*nix Sidereal Clock
Portable OS X FOSS applications
Finite Element Method on 3D Meshes
open source python packages for X-ray MicroLaue Diffraction analysis
a browser based ballistics calculator for arrows and bullets