Open Source Subscription & Billing Management Tools using Postgres
A curated collection of the best open source platforms for managing recurring subscriptions and complex billing models. using Postgres.
Transform complex usage data into accurate, real-time billing
Stars
10,488Last commit
4 hours agoLicense
AGPL-3.0
Open-source billing system that handles metering, usage-based pricing, and invoicing at scale. Perfect for AI, cloud, and API companies needing flexible monetization.
Open Source Alternative to:
Open source metering and billing infrastructure for any pricing model
Stars
4,749Last commit
7 hours agoLicense
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 payments, usage tracking, and paywalls in 3 functions
Stars
2,663Last commit
37 minutes agoLicense
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:
Real-time usage metering and billing for AI companies
Stars
2,241Last commit
27 minutes agoLicense
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:
Sent – Messaging Infrastructure for Developers. One API for SMS, WhatsApp, and RCS across 190+ countries.
Sent