PowerSchool - PowerSchool provides a K-12 education technology platform for operations, classroom, student growth, and family engagement.
John's Background Switcher - Switch backgrounds to trending imgur, reddit, tumblr threads
Clever - syncing between education applications for K-12 schools
Wallcat - Enjoy a new, beautiful wallpaper, every day.
Claroline - Claroline is a collaborative eLearning and eWorking platform.
Splashy - Breathtaking, auto changing wallpaper app for macOS, Windows, Linux, iOS & Android