Welcome to the billingcat organization!
We build a lightweight, open-source CRM and invoicing tool, made for freelancers and small businesses.
With billingcat you can manage contacts, companies and notes – and create ZUGFeRD-compliant invoices (XML + PDF).

👉 Check out billingcat.de – you can sign up for the newsletter there to get notified once the public alpha SaaS goes live!

• A simple but complete CRM
• Focused on invoice management
• ZUGFeRD invoice generation (XML + PDF)
• Open source under AGPL-3.0
• Commercial licenses available

⚠️ Note: billingcat is currently available only in German (source code and user interface).
"billingcat" is a registered trademark of Patrick Gundlach.

We ❤️ contributions!
Bug reports, feature ideas, and pull requests are always welcome.
Start by opening an issue in one of our repositories.

Made with ❤️ by a small business, for small businesses.