A planetarium software that shows a 3D simulation of the night sky
Data Analysis, Simulations and Visualization on the Sphere
Satellite tracking software
Routines for wavefront propagation in IDL, Matlab, and Python
Fortran library to compute positions of celestial bodies
Command-line tools for astronomy and astrophysics
ProStack - a platform for image processing and analysis
Earth orbits and satellite coverage display in 3D on your laptop.
BoPlanets shows planets relatively to an observing planet.
A tool for planning and logging your astronomical observations.
*nix Sidereal Clock
Sight Reduction for Air Navigation with Python