Virtual Planetarium and other Astronomical Calculation Routines
Virtual Planetarium and other astronomical calculation routines of the Positional Astronomy (Ephemeris Calculation / ISS Visibility / Eclipses / Calendar) --- GUI based on Delphi/Free Pascal, Source Code alternatives based on Python 2.5 and Java 1.6
SoundStepper is a "100% software" telescope controller, for Windows, using audio hardware to control step motors at real time. All it requires to operate are external step motor drives, which can be a commercial "pulse/direction" drive or analog current amplifiers.
Documentation: http://soundstepper.sourceforge.net/
VOMON (Virtual Observatory Monitor) is a web application that can be configured to watch your virtual observatory services. It is a mashup of the AstroRuntime and the MARS network monitor.