Stripe is a payments platform offering APIs and hosted tools to accept online and in-person payments, manage subscriptions and invoices, process payouts and settlements, and integrate via SDKs and webhooks for commerce and billing workflows.
Hyperswitch is an open-source payments switch and orchestrator that connects multiple payment processors through a single API, with modules for routing, vaulting, retries, and reconciliation.
43.5k stars5.1k forksApache-2.0last commit Actively maintained
Open-source billing infrastructure for usage metering, subscriptions, invoicing, and hybrid pricing via an API and web interface.
10.4k stars728 forksAGPL-3.0last commit Actively maintained
Open-source, modular billing and payments platform for subscriptions with real-time analytics, APIs, and plugin extensibility.
5.7k stars956 forksApache-2.0last commit Actively maintained
Self-hosted open-source billing, invoicing, payments, and client management platform for hosting and online service businesses.
1.7k stars343 forksApache-2.0last commit Actively maintained
Every option on this page is open source and free to run on your own hardware, so you own the data and there is no subscription to cancel. 4 of 4 shipped a commit in the last six months. Licences in this list: Apache-2.0, AGPL-3.0. In exchange you take on hosting, backups and updates yourself.
Browse everything in Billing & Subscriptions.
