Deploy InvoiceNinja on your own server.

Lago is an open-source metered billing and usage-based pricing platform that helps businesses implement complex pricing models with precision and transparency. Built for modern SaaS companies, Lago provides real-time usage tracking, flexible pricing configurations, automated invoicing, and comprehensive billing analytics. Perfect for businesses that need to implement usage-based pricing, hybrid pricing models, or complex billing scenarios with features like prepaid credits, graduated pricing, and multi-dimensional metering.

KillBill is an open-source subscription billing and payment platform designed to simplify complex billing workflows for SaaS and other businesses. It provides robust support for recurring billing, invoicing, and payment management while offering flexibility for customization. KillBill ensures seamless integration with third-party payment gateways, making it adaptable for global payment needs. It supports multiple plugins to extend functionality, enabling businesses to manage tax compliance, analytics, notifications, and more. The platform's Kaui UI offers an intuitive administrative console for managing subscriptions, invoices, payments, and tenants. KillBill's API-driven design allows developers to customize and automate every aspect of the billing process. Its modular architecture ensures it can scale with the growing needs of businesses, providing robust tools for revenue management.

SolidInvoice is a self-hosted invoicing and billing platform built with Symfony and Vue.js. Create and send professional invoices and quotes, track payments, manage clients and contacts, and accept online payments through multiple payment gateways. It ships as a single container with an embedded FrankenPHP server and uses MySQL for data storage.