Cash App - The easy way to send, spend, bank, and invest.
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 Pay - Send money to your friends via Messenger
Clever - syncing between education applications for K-12 schools
PayPal.Me - Request money using your own personalized URL.
Claroline - Claroline is a collaborative eLearning and eWorking platform.