There are 2 repositories under xrechnung topic.
Open Source Java e-Invoicing library, validator and tool (Factur-X/ZUGFeRD, UNCEFACT/CII XRechnung)
Quba is a viewer for electronic invoices
Graphische Benutzeroberfläche für die Visualisierung und Validierung von XRechnung (und anderen EN16931-konformen E-Rechnungen) sowie ein Tool für die Berechnung und Prüfung von Leitweg-IDs. || Engl.: Graphical User Interface for visualization and validation of XRechnung (and other EN16931 compliant e-invoices) as well as tool for Leitweg-ID calculation and validation.
XSL transformators for web and pdf rendering of German CIUS XRechnung or EN16931-1:2017 [MIRROR OF GitLab]
🇪🇺 💶 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.
Configuration for validating documents against the German XRechnung standard using the KoSIT validation tool
Test instances for the XRechnung Standard, the German Core Invoice Usage Specification of CEN EN16931 [MIRROR of GitLab]
Schematron rules for the German CIUS (XRechnung) of EN16931:2017 [MIRROR of GitLab]
Production-ready java library for DiGA (Digital Health Application) manufacturers to integrate with DiGA API endpoints for code validation and billing.
Visualizer for ZUGFeRD/XRechnung/Factur-X
A simple ZUGFeRD/XRechnung/Factur-X Library for Laravel
A set of preconfigured rules for the phive engine
XRechnung Implementation for Delphi
Generate XML Files that comply with the XRechnung standard from CSV-Exports.
ZUGFeRD/Factur-X to UBL Bridge
E-Inovice Validator for Germany (E-Rechnung Validator)
minimalist stand-alone XRechnung generator
A library for PHP to generate and read EN16931 conform structured XML data.
This project is a basic api around the excellent diga-api-client It supports validation and billing.
Handle incoming mails and check them for e-invoice documents
Codelistenauflösung für die Visualisierung von XRechnung || Engl.: Resolving codelists for XRechnung-Visualization
A lightweight web-based viewer for electronic invoices, supporting ZUGFeRD, XRechnung, EN 16931, and more.
A reader and converter for electronic invoices that adhere to the EN16931 standard. - Anzeige von E-Rechnungen und Konvertierung in ein PDF-Dokument.
Simpler alternative to ZUGFeRD and XRechnung - based on JSON Schema
Mapping between ebInterface v4.x and v5.0 and the German XRechnung UBL
TypeScript integration for the Open Invoice Format (OIF) schema. Easily create OIF-compliant PDFs and parse/validate JSON.
Deep object validation library for .NET
OpenSource Software um E-Rechnungen im XRechnung Format zu verwalten. Import/Export, PDF-Ausgabe, ...