Zelle - Zelle is a fast, safe and easy way to send money in minutes to your friends and family.
QR.io - Generate fully customized QR Codes, with color shape & logo
Lydia - Lydia lets you use your card whatever you need to pay, even a friend.
VisualCode - QR codes for everything
PaymentSpring - The all-in-one, developer-driven payment gateway
Visualead - Visual QR code generator