Stellarium - Stellarium is a free open source planetarium for your computer.
SkyView - SkyView is powerful, easy-to-use app that answers questions about stars, constellations, and more.
Sky Map - Sky Map (formerly the Google Sky Map) turns your Android-powered mobile phone into a window on the...
Planetarium - A browser-based virtual planetarium of stars and planets, customizable to any location and time.
Star Walk 2 Free - Star Walk 2 Free is a sumptuous planetary application that is turning out to be a great tool in identifying the objects in the night sky.
KStars - KStars is a Desktop Planetarium for KDE.