Model of the Solar System
An OpenCL Solar System simulation
Astronomical planetarium SW
Supernova search tool
Inverse Compton emission from heliospheres of sun and stars
BoPlanets shows planets relatively to an observing planet.
A collection of java astronomy tools
A MATLAB toolbox to simulate optical systems
Build your own GPS unit
See the Astronomy Picture of the Day in your desktop!
A C library of published theories of motion of solar system objects.
Fluorescence and absorption spectroscopy made easy
automation tool to analyze Foucault test results of parabolic mirrors