Invoicing Open Source Projects

Discover 1 open source Invoicing repository from GitHub, each with an analysis of what it does, key features, use cases and alternatives. Invoicing projects here are most often combined with Automation, Billing and PHP. Last updated October 15, 2026.

FOSSBilling: Billing and Client Management for Hosting Businesses

FOSSBilling: Billing and Client Management for Hosting Businesses

FOSSBilling is a PHP billing and client management system for hosting providers and other online service businesses. It helps automate invoicing, payments, and client communication, with extensions for custom integrations.

ActiveHealth 81/100

PHPSelf HostedWeb App
Added Feb 15, 2026 View details

Related topics

Automation 154Billing 3PHP 27Self Hosted 335Web App 199