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.
StarCalc - StarCalc is the fastest professional astronomy planetarium & star mapping program for Windows...
Sky Map - Sky Map (formerly the Google Sky Map) turns your Android-powered mobile phone into a window on the...
Sky Guide - A window to the stars has never been more beautiful and easy to use.
SkySafari - SkySafari is a powerful planetarium that fits in your pocket.