Assembly Line

Invio vs InvoiceShelf

Invio and InvoiceShelf are both invoicing software. Invio is open source under Unlicense, with 1.2k GitHub stars. InvoiceShelf is open source under AGPL-3.0, with 1.9k GitHub stars.

Which to pick

Pick Invio when
A freelancer wants simple self-hosted invoicing with European e-invoice output.
Pick InvoiceShelf when
You need straightforward invoicing on your own server and do not need full accounting.

Side by side

What it does

A small self-hosted invoicing app that creates invoices and exports e-invoice formats including Factur-X/ZUGFeRD, FatturaPA and UBL for PEPPOL.

A self-hosted invoicing app for freelancers and small businesses: estimates, invoices, payments, expenses and customer records, forked from Crater.

Watch out

Young and the author does not guarantee legal compliance for any country's e-invoicing rules.

No double-entry accounting or tax filing, and AGPL licensed.

Ready for

Usable (both)

Runs as

Self-hosted server (both)

Built with

TypeScript and Svelte

PHP, Laravel and Vue

Source code

Open source, Unlicense (public domain)

Open source, AGPL-3.0 (network copyleft)

What the license allows

You can take the code into anything, including a product you sell, with no conditions.

Use inside your business is unrestricted. If you change it and let customers use it over the internet, you must publish your changes.

How widely known

1.2k GitHub stars

1.9k GitHub stars

How established

Young: started 14 months ago, latest release v2.4.0.

Established: started 2 years ago, latest release 2.4.7.

Other comparisons

More invoicing apps

Every invoicing product and project, ranked

Both sides were judged on 2026-11-03 from each project's README and GitHub data. License, age and popularity lines are worked out directly.