thangs - thangs simplifies and encourages the lending and borrowing of everyday objects.

Zelle - Zelle is a fast, safe and easy way to send money in minutes to your friends and family.

Who Has My Stuff - undefined

Lydia - Lydia lets you use your card whatever you need to pay, even a friend.

PaymentSpring - The all-in-one, developer-driven payment gateway

LendList - Never again forget what you borrowed from someone and keep track of what your friends borrowed from you (Android app). - raphaelm/lendlist