Stealthy: Secret Messenger - Chat anonymously with friends & strangers
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.
Berkanan - Chat with people nearby. Even offline, on an ✈️.
Clever - syncing between education applications for K-12 schools
Roomvine - Chatrooms for real life venues, neighborhoods and events
Claroline - Claroline is a collaborative eLearning and eWorking platform.