Stellarium - Stellarium is a free open source planetarium for your computer.
Sext Adventure - A game that pushes boundaries.
KStars - KStars is a Desktop Planetarium for KDE.
Wheel of Foreplay - We're here to help you stay home and bone.
SkyView - SkyView is powerful, easy-to-use app that answers questions about stars, constellations, and more.
P1xel and the Silver Sphinx - The text adventure based on the album of the same name