Simple DNSCrypt - A simple management tool for dnscrypt-proxy.
PowerSchool - PowerSchool provides a K-12 education technology platform for operations, classroom, student growth, and family engagement.
GetFreeCloud - GetFreeCloud is an OwnCloud provider that offers 6Gbytes for free!
Clever - syncing between education applications for K-12 schools
Qustodio - Free parental control software. Monitor and track your child's online activity. Block dangerous sites and protect kids from online bullying.
Claroline - Claroline is a collaborative eLearning and eWorking platform.