Command-line tools for astronomy and astrophysics
Simple tools for working with gravitational waves
Astrology calculation, charting, and analysis
Tools to analyse output from the stellar-evolution code ev/STARS/TWIN
Fortran library to compute positions of celestial bodies
A free, fast and accurate routine to compute the position of the Sun
A planetarium software that shows a 3D simulation of the night sky
Request TLE for given satellites and save it to the file
Matches OpenScience Observatories images with astronomical catalogs
HF/VHF spectrosopy code for the rx888mk2 direct-sampling receiver
Navigational Algorithms - Marine navigation
Satellite tracking software
Hallo Northern Sky planetarium program
Image viewer/editor specialized in astrophotography 16bits processing
SHGs like Sol'Ex captured SER videos processing
Astrophotography image capture, session sequencer / PHD2 interface
*nix Sidereal Clock
A gravitational-wave parameter-estimation code for LIGO/Virgo
Analyse output from MCMC codes like SPINspiral and lalinference_mcmc
WSClean is a fast widefield interferometric imager