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.
Rocket Money - Find your paid subscriptions and cancel with one click
Chargebee - Chargebee lets you manage subscriptions and payments at scale, handle custom recurring billing scenarios, reduce subscription churn and simplify accounting.
ServiceBot - The new, open source way to run a business online. Subscription billing, Self-service customer portal, service lifecycle management?
HonorCare - HonorCare is a web portal that makes it easy for you to make online medical payments in an accessible and authentic way.
Recurpay - Recurpay is a subscription SaaS app for businesses that automates recurring billing.