Stacking program, astrometric (plate) solver, fits file viewer
Satellite tracking software
Data Analysis, Simulations and Visualization on the Sphere
Lynkeos is an astronomical webcam image processing software for OS X.
Astronomy CCD capture software
Hallo Northern Sky planetarium program
All-in-one Astrophotography Software Works on multi-OperatingSystem
Provide Pascal interface for standard astronomy libraries
Collimation Circles, app for easy telescope collimation
General data-reduction tool for fiber-fed integral-field spectrographs
Night Vision is a "planetarium" program written in Java
Earth orbits and satellite coverage display in 3D on your laptop.
A free, fast and accurate routine to compute the position of the Sun
*nix Sidereal Clock
An aid to visualise the solar system, the moon & satellites, and stars
A collection of java astronomy tools
Open Source Astronomy Tools
Java science library.