A planetarium software that shows a 3D simulation of the night sky
Stellarium renders 3D photo-realistic skies in real time with OpenGL. It displays stars, constellations, planets, nebulae and others things like ground, landscape, atmosphere, etc.
Real-time 3D visualization of space
Celestia is an application for real-time 3D visualization of space, with a detailed model of the solar system, over 100,000 stars, more than 10,000 galaxies, and an extension mechanism for adding more objects.
Astrology software inspired by the SYMBOLON deck. This software calculates the planet positions and make symbolon card tables according to the calculated constellation. It can draw the classical circular horoscope also.
Calculate Sunrise, Sunset and dawn times. The calculation based on sunriset by Paul Schlyter. 64 bit windows users: There are 64 bit windows binarys in the file section.
Java version of Stellarium.
A helper function set written in bash to support DSLR image stacking with IRAF.