Open Source Subscription & Billing Management Tools using Mailhog
A curated collection of the best open source platforms for managing recurring subscriptions and complex billing models. using Mailhog.
Transform complex usage data into accurate, real-time billing
Stars
10,609Last commit
19 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:
Flexible billing infrastructure for modern SaaS
Stars
1,238Last commit
7 days 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:
Sent – A unified API for sending messages across SMS, RCS, and apps like WhatsApp.
Sent