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.
Public - Group chats.
Clever - syncing between education applications for K-12 schools
Chalk - Chalk is a calculator that tries to do right what others do wrong.
Claroline - Claroline is a collaborative eLearning and eWorking platform.
SoChat - Chat with everyone