Empower your hosting business with FOSSBilling, the free and open-source solution for efficient billing and client management.
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Updated
Aug 24, 2026 - PHP
Empower your hosting business with FOSSBilling, the free and open-source solution for efficient billing and client management.
Self-hosted invoicing without the bloat.
Invoicerr is a freelance-focused invoicing app that lets you create quotes, generate invoices, track payments, and collect secure signatures.
Open Source Invoicing Solution for Individuals & Businesses
Open Source Metering and Usage Based Billing API ⭐️ Consumption tracking, Subscription management, Pricing iterations, Payment orchestration & Revenue analytics
A self-hosted open source application for managing your invoices, clients and payments.
Open-source Pricing and Billing Infrastructure 🚀 Subscription management, Invoicing, Pricing, Usage-based billing, Cost limiting, Grandfathering, Experiments, Revenue analytics & Actionable insights
Open-Source Subscription Billing & Payments Platform
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