Space Engine - Space Engine is a realistic virtual Universe you can explore on your computer.
SkyView - SkyView is powerful, easy-to-use app that answers questions about stars, constellations, and more.
Celestia - Real-time 3D visualization of space
Sky Map - Sky Map (formerly the Google Sky Map) turns your Android-powered mobile phone into a window on the...
Stellarium - Stellarium is a free open source planetarium for your computer.
SkySafari - SkySafari is a powerful planetarium that fits in your pocket.