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

sup3rS3cretMes5age - A safe, simple tool for one-time (self-destructing) messages

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.

BURN.link - Send secure, encrypted, self-destructing messages

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

Boop - A scriptable scratchpad for developers. Free & open source!