The following is a list of pointers to astronomy related software (Free, free-of-cost or pay-for). If you have any recommendations for appropriate software, links or resources, or if you spot any links that are incorrect or no longer valid, then please send the relevant details in a private message to either Dave, Joe or Jeff.
- The Digital Universe (Win, Mac, Linux, IRIX) (Free)
An atlas of various locations in the universe. Available atlases include the Milky Way and an extragalactic atlas.
- Google Earth (Win, Mac) (Free)
A virtual atlas of the Earth.
- NASA World Wind (Win) (Free)
A virtual atlas of the Earth and the Moon.
- Virtual Moon Atlas (Win) (Free)
A virtual atlas of the Moon for Microsoft Windows.
- NightCal (Win) (Free)
General planning software that produces a calendar of key astronomical events for any given month.
- Mars Previewer II (Win) (Free)
A useful tool for anyone observing Mars. Helps you work out what features you're seeing in your 'scope.
- Helio (Win) (Free)
Software to help plan solar observations.
- Helio Creator (Win) (Free)
Software to help record solar observations.
A very comprehensive list of planetarium software broken down by platform. You'll find software for Windows based PCs, GNU/Linux based PCs, Macintosh, MS/PC-DOS based PCs, handheld computers and more.
- Celestia (Win, Linux, Mac) (Free)
A free space simulation that lets you explore our universe in three dimensions.
- Orbiter (Win) (Free)
Windows based space flight simulator.
- ORSA (Win, Mac, Unix, Source) (Free)
Orbit reconstruction, simluation and analysis.