Stacking program, astrometric (plate) solver, fits file viewer
Data Analysis, Simulations and Visualization on the Sphere
A planetarium software that shows a 3D simulation of the night sky
All-in-one Astrophotography Software Works on multi-OperatingSystem
Routines for wavefront propagation in IDL, Matlab, and Python
Navigational Algorithms - Marine navigation
Satellite tracking software
Astronomy CCD capture software
Lynkeos is an astronomical webcam image processing software for OS X.
Hallo Northern Sky planetarium program
Fortran library to compute positions of celestial bodies
Command-line tools for astronomy and astrophysics
Night Vision is a "planetarium" program written in Java
A collection of java astronomy tools
Build your own GPS unit
Java science library.
An aid to visualise the solar system, the moon & satellites, and stars
DIY project to build a cover, flat panel or combo flip-flat panel
Earth orbits and satellite coverage display in 3D on your laptop.