Browse free open source Astronomy software and projects for Windows and BSD below. Use the toggles on the left to filter open source Astronomy software by OS, license, language, programming language, and project status.
Real time satellite tracking and orbit prediction
A planetarium software that shows a 3D simulation of the night sky
Real-time 3D visualization of space
Satellite tracking software
Arduino Focuser, fully ASCOM complaint
Celestial Mechanics Engine
Routines for wavefront propagation in IDL, Matlab, and Python
Astrology software for desktop
A virtual planetarium for observers of the real sky.