quba ☆

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Description:
Viewer for electronic invoices

Type: Cask | Latest Version: 1.5.1@0 | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Productivity

Tags: e-invoice zugferd xrechnung pdf viewer germany

Install: brew install --cask quba

About:
Quba-Viewer is an open-source desktop application designed to display and validate electronic invoices in ZUGFeRD and XRechnung formats. It provides a user-friendly interface for rendering the human-readable invoice data alongside the machine-readable XML. This tool ensures compliance and readability for German e-invoicing standards without requiring complex ERP systems.

Key Features:

Supports ZUGFeRD and XRechnung standards
Visualizes invoice data in a clean, readable UI
Validates XML structure against schema definitions
Cross-platform desktop application (Windows, macOS, Linux)
Open source and free to use

Use Cases:

Validating incoming electronic invoices for compliance
Viewing e-invoice details without specialized accounting software
Debugging XML generation in e-invoicing workflows

Alternatives:

VeraPDF – Focuses on PDF/A validation rather than specific e-invoice standards
Oxygen XML Editor – General-purpose XML editor, not specialized for invoice visualization

Version History

Detected	Version	Rev	Change	Commit
May 1, 2026 7:37pm	1.5.1	0	VERSION_BUMP	7822c21f