Open-source subscription billing libraries in 2026

All open-source subscription billing libraries, ranked

Building blocks for your own system 3

1. 1
   BillingSDK dodopayments

   Modern Billing & Monetization UI Components Library

   Building block Usable You are building billing pages in React and Tailwind and want ready components.

   ★ 511 GPL-3.0 TypeScript Active, pushed 8 days ago
2. 2
   Usage_credits rameerez

   💳✨ Add usage-based credits to your Rails app

   Building block Usable Your Rails app charges per use, for example per AI generation, and you want credits rather than metered invoices.

   ★ 168 MIT Ruby Active, pushed 8 days ago
3. 3
   Laravel Subscriptions laravelcm

   Laravel Subscriptions is a flexible plans and subscription management system for Laravel.

   Building block Usable You need plan and feature-limit logic in Laravel and handle payments separately.

   ★ 245 MIT PHP Slowing, pushed 7 months ago

Integrations 5

1. 1
   Cashier-stripe laravel

   Laravel Cashier provides an expressive, fluent interface to Stripe's subscription billing services.

   Integration Production-ready You are building a Laravel SaaS and charging through Stripe.

   ★ 2.5k MIT PHP Active, pushed 13 days ago
2. 2
   Pay pay-rails

   Payments for Ruby on Rails apps

   Integration Production-ready You are building a Rails SaaS and want one billing API that can switch payment providers.

   ★ 2.3k MIT Ruby Active, pushed today
3. 3
   Dj-stripe dj-stripe

   dj-stripe automatically syncs your Stripe Data to your local database as pre-implemented Django Models allowing you to use the Django ORM, in your code, to work with the data making it easier and faster.

   Integration Production-ready You run a Django app on Stripe and want to query billing data with the ORM.

   ★ 1.8k MIT Python Active, pushed today
4. 4
   PayKit getpaykit

   Build Stripe billing without the glue code. Products in code, webhooks handled, billing state in your app.

   Integration Experimental You are building a TypeScript SaaS on Stripe and want less hand-written billing glue.

   ★ 1.1k MIT TypeScript Active, pushed 36 days ago
5. 5
   Cashier Paddle laravel

   Cashier Paddle provides an expressive, fluent interface to Paddle's subscription billing services.

   Integration Production-ready Your Laravel app sells through Paddle as merchant of record.

   ★ 269 MIT PHP Active, pushed 19 days ago

Open-source licenses

• Permissive: 7. Use it anywhere, including in closed products. You keep the copyright notice; Apache-2.0 also grants patent rights.
• Strong copyleft: 1. If you distribute the program or anything built on it, you must release the whole source under the same license.

Languages

PHP 3, Ruby 2, TypeScript 2 and Python 1.