Zelle - Zelle is a fast, safe and easy way to send money in minutes to your friends and family.
Geneva - An all-in-one communication app for groups & communities
Lydia - Lydia lets you use your card whatever you need to pay, even a friend.
SwearJar - A Slack bot that donates money to charity when you curse
PaymentSpring - The all-in-one, developer-driven payment gateway
Seek a Guru - Monetize your knowledge through mentoring