Stellarium - Stellarium is a free open source planetarium for your computer.
PowerSchool - PowerSchool provides a K-12 education technology platform for operations, classroom, student growth, and family engagement.
Celestia - Real-time 3D visualization of space
Clever - syncing between education applications for K-12 schools
SkyView - SkyView is powerful, easy-to-use app that answers questions about stars, constellations, and more.
Claroline - Claroline is a collaborative eLearning and eWorking platform.