Open Source Subscription & Billing Management Tools
A curated collection of the best open source platforms for managing recurring subscriptions and complex billing models.
Transform complex usage data into accurate, real-time billing
Stars
10,369Last commit
1 day 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
4,358Last commit
8 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
2,647Last commit
6 hours 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:
Modern open-source billing platform for hosting businesses
Stars
2,241Last commit
7 hours agoLicense
MIT
Automate subscriptions and manage payments with a flexible, open-source billing system designed specifically for hosting providers.
Open Source Alternative to:
Real-time usage metering and billing for AI companies
Stars
2,213Last commit
6 hours 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:
Flexible billing infrastructure for modern SaaS
Stars
1,218Last commit
6 hours agoLicense
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:
Cut billing costs with open-source subscription management
Stars
229Last commit
6 months agoLicense
AGPL-3.0
Replace expensive billing solutions with open-source software. Automate subscriptions, accept multiple payments including crypto, and gain real-time revenue insights.
Open Source Alternative to:
Automatically discover hidden subscriptions from your inbox
Stars
10Last commit
3 days agoLicense
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:
InfluxDB – The purpose-built time series platform for high-velocity ingestion and real-time queries at scale.
InfluxDB