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Open Source Subscription & Billing Management Tools using JavaScript

A curated collection of the best open source platforms for managing recurring subscriptions and complex billing models. using JavaScript.

Flexprice

Open source metering and billing infrastructure for any pricing model

  • Stars

    6,874

  • Last commit

    10 hours ago

  • License

    AGPL-3.0
A flexible billing platform that handles usage-based metering, credit management, and subscription billing, giving developers full control over pricing models.

Open Source Alternative to:

Stripe Billing

Autumn

Stripe payments, usage tracking, and paywalls in 3 functions

  • Stars

    2,832

  • Last commit

    12 days ago

  • License

    Apache-2.0
Simplify Stripe integration for AI startups with 3 functions, 0 webhooks. Build pricing plans in 30 minutes with usage tracking, credits, and feature controls.

Open Source Alternative to:

Stripe Billing

Paymenter

Modern open-source billing platform for hosting businesses

  • Stars

    Stars growing quickly over the last 30 days2,817

  • Last commit

    15 hours ago

  • License

    MIT
Automate subscriptions and manage payments with a flexible, open-source billing system designed specifically for hosting providers.

Open Source Alternative to:

Stripe Billing

OpenMeter

Real-time usage metering and billing for AI companies

  • Stars

    2,430

  • Last commit

    11 hours ago

  • License

    Apache-2.0
Open source billing platform that turns events into revenue with real-time metering, usage limits, and flexible pricing. Integrates with Stripe, CRMs, and payment providers.

Open Source Alternative to:

Stripe Billing

Meteroid

Flexible billing infrastructure for modern SaaS

  • Stars

    Stars growing over the last 30 days1,354

  • Last commit

    3 days ago

  • License

    AGPL-3.0
Open-source pricing and billing platform that helps SaaS companies launch, test, and scale complex billing models with ease. Features metering, invoicing, and real-time data.

Open Source Alternative to:

Stripe Billing

Suprascribe

Automatically discover hidden subscriptions from your inbox

  • Stars

    11

  • Last commit

    11 days ago

  • License

    AGPL-3.0
Free subscription tracker that automatically scans your email to find recurring charges. Privacy-focused discovery with complete spending overview and management tools.

Open Source Alternative to:

Rocket Money
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