Open Source Java e-Invoicing library, validator and tool (Factur-X/ZUGFeRD, UNCEFACT/CII XRechnung)

ZUGFeRD/XRechnung/Factur-X Library

🇪🇺 💶 Generate e-invoices (E-Rechnung in German) conforming to EN16931 (Factur-X/ZUGFeRD, UBL, CII, XRechnung aka X-Rechnung) from LibreOffice Calc/Excel data or JSON.

PHP library to manage your Factur-X / ZUGFeRD 2.0 PDF invoices files

ZUGFeRD PHP SDK (Factur-X, XRechnung)

A desktop application, that creates and validates ZUGFeRD invoices.

A Node.js library for creating ZUGFeRD/Factur-X compliant documents. Generating XML and embedding it into PDF/A files, enabling seamless e-invoicing and digital document compliance.

A simple ZUGFeRD/XRechnung/Factur-X Library for Laravel

Visualizer for ZUGFeRD/XRechnung/Factur-X

ZUgferd validator using Verapdf, discontinued because integrated into Mustangproject 2.0

Factur-X/ZUGFeRD parsing and generation library for Python

ZUGFeRD / Factur-X Implementation for Delphi

Generate and extract Factur-X and Order-X invoices

create xml invoice conforming to CIUS XRechnung or €uropean standard EN16931

E-Inovice Validator for Germany (E-Rechnung Validator)

ZUGFeRD/Factur-X to UBL Bridge

A library for PHP to generate and read EN16931 conform structured XML data with the syntaxes of UBL and CII.

Scribo — free, AI-native EN 16931-compliant e-invoicing. ZUGFeRD/XRechnung (Germany) and US plain PDF live; Factur-X, Facturae, Peppol BIS UBL coming soon. Available as MCP server, Claude/Codex skill, CLI, HTTP API, and web app.

French (XML in PDF) usage of european invoicing EN 16931 standard

Java-App for creating and validating Factur-X / ZuGFeRD / X-Rechnung invoices conforming with EU-Norm EN 16931.