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.

PEAR - Connecting newsletters and advertisers 🍐

SuperPay - Get paid faster with your own custom payments page

Newsletter Operating System - All-in-one dashboard to launch & grow your newsletter

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

Revue - The easiest way to create and send a curated newsletter