ZUGFeRD-Manager

Judgement

What it is

Complete system

What it does

A free desktop app for Windows, macOS and Linux that creates and validates ZUGFeRD e-invoices.

Adopt it when

A small German business wants to check or produce ZUGFeRD invoices without uploading them anywhere.

Watch out

No push since June 2025, and work appears to continue in the Quba viewer instead.

Ready for

Usable

Runs as

Desktop app

Built with

Kotlin and Java

How established

Young: started 23 months ago, latest release v1.3.2.

What the license allows

You can build it into a product you sell, as long as you keep its copyright notice.

Judged on 2026-11-03 from the project's README and GitHub data. The license and age lines are worked out directly.

Compare ZUGFeRD-Manager

Built from

Follow it down: ZUGFeRD-Manager → Kotlin → JDK → LLVM project → runs on a microchip

How compilers were built, back to punched paper tape

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