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.

Wonder.Legal - Create perfectly legal documents for as low as $1.99

SuperPay - Get paid faster with your own custom payments page

Avodocs - Free legal documents for startups in minutes

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

FormSwift - FormSwift is a SaaS-based legal document management software solution.