FluffyChat - Open. Nonprofit. Cute ?
Teachable - Create and sell beautiful online courses with the platform used by the best online entrepreneurs to sell $100m+ to over 4 million students worldwide.
Signal - Fast, simple & secure messaging. Privacy that fits in your pocket.
PowerSchool - PowerSchool provides a K-12 education technology platform for operations, classroom, student growth, and family engagement.
Molly (Signal fork) - Molly is an independent Signal fork for Android
Clever - syncing between education applications for K-12 schools