Bisko - Unlock the power of your data with ease
AirPay - Integrate all payment channels via one single API
Designmodo - Timesaving tools for designers, developers and marketers. Designmodo offers website and email builders.
Stripe - Online payment processing for internet businesses. Stripe is a suite of payment APIs that powers commerce for online businesses of all sizes. Use Stripe’s payment platform to accept and process payments online for easy-to-use commerce solutions.
The First Draft - The purpose is not to get it right, but to get it written!
Google Pay - Make secure payments right through your Android device.