Inbox Creature - A super cute virtual pet, delivered right to your inbox.
PayPal - PayPal is the faster, safer way to pay online without sharing financial details, send and receive money or accept credit and debit cards as a seller
Space Shooter - The classic retro game recreated using Pygame and python.
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.
Allowcation - Simple allowance and financial allocation tracking for kids
Braintree - An all-in-one solution to accept, process, and split payments in your mobile app or online - from small business to large enterprise.