Astronomy CCD capture software
A planetarium software that shows a 3D simulation of the night sky
Lynkeos is an astronomical webcam image processing software for OS X.
Satellite tracking software
Routines for wavefront propagation in IDL, Matlab, and Python
Stacking program, astrometric (plate) solver, fits file viewer
Hallo Northern Sky planetarium program
All-in-one Astrophotography Software Works on multi-OperatingSystem
Navigational Algorithms - Marine navigation
Earth orbits and satellite coverage display in 3D on your laptop.
DIY project to build a cover, flat panel or combo flip-flat panel
Night Vision is a "planetarium" program written in Java
Virtual Planetarium and other Astronomical Calculation Routines
ProStack - a platform for image processing and analysis
Build your own GPS unit
automation tool to analyze Foucault test results of parabolic mirrors