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.
iLend - Keep track of the things you lend and borrow.
SuperPay - Get paid faster with your own custom payments page
PayPal.Me - Request money using your own personalized URL.
Zelle - Zelle is a fast, safe and easy way to send money in minutes to your friends and family.
Slowy app - Simulate custom Internet connection speeds for testing