Stellarium - Stellarium is a free open source planetarium for your computer.
Astronaut - You're an astronaut. Click to watch random videos in space.
KStars - KStars is a Desktop Planetarium for KDE.
Spacetime - Work hour and time zone management for distributed teams.
SkyView - SkyView is powerful, easy-to-use app that answers questions about stars, constellations, and more.
Eve of Impact - Missile Command meets Asteroids iOS game 🌍☄️