Trim - Manage and cancel your paid subscriptions

Stripe Billing Customer Portal - Stripe-hosted page for customers to manage subscriptions

Dinero - Dinero is a web based software for accounting, billing and taxes.

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.

Bobby - Keep track of your subscriptions

Recurpay - Recurpay is a subscription SaaS app for businesses that automates recurring billing.