Skype - Stay in touch with your family and friends for free on Skype. Download Skype today to chat and call on desktop and mobile.
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.
Facebook Messenger - Facebook Messenger is a faster way to message.
Clever - syncing between education applications for K-12 schools
Digsby - Tagged makes it easy to meet and socialize with new people through games, shared interests, friend suggestions, browsing profiles, and much more.
Claroline - Claroline is a collaborative eLearning and eWorking platform.