Assembly Line

Subscription billing libraries in 2026

1 commercial product, ranked by how many people read about each, or about its maker, on Wikipedia's mobile site. 8 open-source projects, ranked by GitHub stars and how recently each was worked on. Cashier-stripe leads with 2.5k stars, ahead of Pay. 7 had code pushed in the last three months. Most common licenses: MIT (7) and GPL-3.0 (1).

Commercial subscription billing libraries

  1. 1
    RevenueCat RevenueCat

    The world’s best apps use RevenueCat to power in-app purchases, manage customer data, and grow revenue across iOS, Android, and the web.

    Building block Production-ready A mobile app sells subscriptions and you do not want to build receipt validation and entitlement logic yourself.

    Commercial

Open-source subscription billing libraries

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.

Made software that belongs here? Add it. Listing is free.