Rainmaker - Rainmaker allows you to make your Google Contacts better.

Google Pay - Make secure payments right through your Android device.

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.

dip - accountability groups for developers

Vodafone Wallet - Vodafone Wallet is a significantly used platform developed and published by Vodafone Inc.

Paymobil - A global Venmo using stablecoins