Self-hostable invoicing platform for invoices, quotes, recurring billing, online payments, expenses, projects, and time tracking with a client portal and API.

10k stars2.7k forkslast commit Actively maintained

Cloud-based professional services automation for architecture, engineering, and consulting firms that centralizes time and expense tracking, project and resource management, billing/invoicing, accounting integration, and business reporting.
Self-hostable invoicing platform for invoices, quotes, recurring billing, online payments, expenses, projects, and time tracking with a client portal and API.

10k stars2.7k forkslast commit Actively maintained
Every option on this page is open source and free to run on your own hardware, so you own the data and there is no subscription to cancel. 1 of 1 shipped a commit in the last six months. In exchange you take on hosting, backups and updates yourself.
Browse everything in Billing & Subscriptions.