Satellite tracking software
Astronomy CCD capture software
Echoes is a radio spectral analysis software for SDR devices
Lynkeos is an astronomical webcam image processing software for OS X.
Astrology calculation, charting, and analysis
Earth orbits and satellite coverage display in 3D on your laptop.
Routines for wavefront propagation in IDL, Matlab, and Python
User interface for INDI Eqmod telescope driver
Astrophotography image & video processor. Full processing cycle
*nix Sidereal Clock
A scientific plotting library for C/Fortran built on cairo
Simple astronomical CCD controller
C API to control NexStar compatible telescopes
Astrophysical magnetic fields simulator
An application for eclipse chasers, by an eclipse chaser.
A planetarium software that shows a 3D simulation of the night sky