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.
Astrosoft is a free indian astrology software program for astrologers and astrological students. Its a Java Swing based GUI Application. It provides Birth chart of individual with details of Lagna, Rasi, Nakshata, Thithi, Paksha and many more features.