General Mission Analysis Tool
Open source finite element software for multiphysical problems
2D & 3D TeX-Aware Vector Graphics Language
JaxoDraw: Feynman Diagrams made easy!
Satellite tracking software
Optical Design Software for simulating systems of lenses, prisms, etc.
Computation and Visualization environment
Simple user interface for gnuplot aimed for reflectometry data
open source python packages for X-ray MicroLaue Diffraction analysis
A Library is for Finite Transforms
a browser based ballistics calculator for arrows and bullets
Particle Image Velocimetry
Acoustic Simulation Library for Frequency and Time Domain Simulations.