← Back to all software
Invoicing & billing

Invio

Self-hosted invoicing without the bloat: create an invoice, share a link, get paid.

GitHub stars

1,193

Repo updated

Oct 2026

License

Unlicense

Technology

TypeScript

What is Invio?

Invio is a minimal self-hosted invoicing app. Its pitch is zero bloat: no menus to dig through, no setup wizards. Clients receive a secure link and do not need an account. It is free with no subscription or per-invoice charges.

Best for Freelancers and tiny businesses that want the simplest possible invoicing tool.

In depth

Invio features

Create an invoice and share a secure link
Clients can view invoices without creating an account
Fully self-hosted so data stays on your hardware
Live demo and documentation available from the project

Strengths

  • Very simple to use.
  • No client accounts required.
  • Free and self-hosted.

Limitations

  • Minimal feature set: no ledger, inventory or time tracking.
  • A small, young project.
  • Test export and backup before relying on it.

Where Invio fits in your business

We compare Invio with similar tools in these small business buying guides:

Installing and hosting Invio

Follow the project's own installation guide for exact, current steps. See the official documentation.

Information checked 16 October 2026 from the project's documentation. Versions change, so confirm before running commands on a production server.

Need a server to host it?

Docker, Node, Python, Java and similar stacks usually need a VPS where you can install your own software. A small VPS is enough to start, and you can upgrade later. Hostinger offers both shared web hosting and VPS plans.

See Hostinger plans

Affiliate disclosure: this is an affiliate link. If you buy through it we may earn a commission at no extra cost to you. CRMs and software are listed independently of any hosting partner. Learn more.

Similar software

Official links for Invio

Always download from the official sources to get the latest and safest version.

Frequently asked questions about Invio

What is Invio?

A minimal self-hosted invoicing app where you create an invoice and share a link with the client.

Is Invio free?

Yes, it is free with no subscription or per-invoice fees. It is released under the Unlicense.

Do clients need an account?

No. Clients open a secure link.

Data verified 16 October 2026 from the project's public repository, LICENSE file and documentation. Details change, so check the official sources. See our disclaimer. Found a mistake? Tell us.