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.
Dingtone - Dingtone is a free call and texting application for making unlimited calls and text messages to any number at the moment registered in any part of the world by any cellular company.
PowerSchool - PowerSchool provides a K-12 education technology platform for operations, classroom, student growth, and family engagement.
Textnow.com - It lets you text your friends, aka my only source of happiness
Clever - syncing between education applications for K-12 schools
FluffyChat - Open. Nonprofit. Cute ?