Open Source Java e-Invoicing library, validator and tool (Factur-X/ZUGFeRD, UNCEFACT/CII XRechnung)
PHP library to manage your Factur-X / ZUGFeRD 2.0 PDF invoices files
A library to create, read and validate ZUGFeRD compliant invoices. Available for Java and .NET
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.
ZUgferd validator using Verapdf, discontinued because integrated into Mustangproject 2.0
create xml invoice conforming to CIUS XRechnung or €uropean standard EN16931
pdfInvoice is an example implementation in iText 7 for the German ZUGFeRD 1.0 digital invoice standard.
Create ZugFeRD compatible invoice pdf with data coming from Excel Sheet
[WIP] 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.
Handle incoming mails and check them for e-invoice documents
Addon for the Konik library allows attaching and extracting XML content to PDFs with the help of PDFBox