Browse free open source Astronomy software and projects for BSD below. Use the toggles on the left to filter open source Astronomy software by OS, license, language, programming language, and project status.
A planetarium software that shows a 3D simulation of the night sky
Data Analysis, Simulations and Visualization on the Sphere
Real time satellite tracking and orbit prediction
Real-time 3D visualization of space
Satellite tracking software
Arduino Focuser, fully ASCOM complaint
Routines for wavefront propagation in IDL, Matlab, and Python
Earth orbits and satellite coverage display in 3D on your laptop.
C API to control NexStar compatible telescopes
Calculate time ephemerides in convenient form
A library containing Some Useful Fortran Routines
Multi-platform Variable Star Visualisation and Analysis
Celestial Mechanics Engine
A MATLAB toolbox to simulate optical systems
A fair attempt at the Keplerian tradition to explore the solar system