SkyView - SkyView is powerful, easy-to-use app that answers questions about stars, constellations, and more.
LunarSight - Accurate data about the Moon
Stellarium - Stellarium is a free open source planetarium for your computer.
Lunescope Moon Viewer - Interactive 3D simulation of the moon.
SkEye - SkEye is an advanced Planetarium that can also be used as a PUSHTO guide for telescopes.
Next Full Moon - All in one calendar to find the next full moon date