Zelle - Zelle is a fast, safe and easy way to send money in minutes to your friends and family.
Splitwise - Splitwise is a free tool for friends and roommates to track bills and other shared expenses, so that everyone gets paid back. On the web, iPhone, and Android!
Lydia - Lydia lets you use your card whatever you need to pay, even a friend.
Splittable - Shared living made simple
PaymentSpring - The all-in-one, developer-driven payment gateway
EquiTable - Split the bill fairly