Stellarium is a free planetarium software with a realistic sky in 3D, just like what you see with the naked eye, binoculars or a telescope. Great for most beginner astronomers, it is simple, flexible and easy enough for a child to figure out.

Windows | Mac | Linux

Virtual Moon Atlas is great for all levels of astronomers learning about the craters, seas, and rilles on the moon. Perfect for seeing what moon phases will occur on a given evening.

Windows | Mac | Linux

Cartes Du Ciel is free planetarium software for amateur astronomers. It is a very functional program with a remarkable collection of sky objects, asteroids, comets. Most noteworthy Cartes Du Ciel can also access other catalogs on CD or the internet.

Windows | Mac | Linux

Celestia is perfect for showing children and new astronomers the Milky way galaxy like they never have before. This informative resource has stunning views of solar system objects that you view while at the pilot’s seat of your own spacecraft! (flying solar system tour)

Windows | Mac | Linux