Browse Astronomy software downloads
The fastest ways to view the latest weather radars around the world!
Calculates dates and times for equinoxes, solstices and cross-quarter days.
WinStars 3 is a planetarium for almost any platform.
Software to find dates and times of lunar and solar eclipses and lunar phases
Chinese Calendar converter and a tool for the study of 3 Asian lunar calendars
CyberSky is an accurate, yet easy-to-use planetarium program.
2017 Nautical Almanac including monthly charts with the planets' positions
Ephemeris, Blue Hour, Sun, Moon, Twilight calculator and many more
Visit stars & planets, see galaxies & nebulas, try this 3D software planetarium!
AstroMatos will help you for astrophotography
Star Altlas, Almanac, Eclipses, Twilights + Voy Planner for 9999BC to 9999AD
Calculate times of sunrise, sunset, moonrise and moonset and more
Strictly spoken it's a piece of software, simulating the Solar System's bodies
View a dark energy inside Solar system on your dektop with this screensaver!
Colliding Galaxies - software to simulate interacting galaxies