@e-invoice-eu/core

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.

node-zugferd

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.

factur-x-kit

Read and Write Hybrid Invoice Documents (EN 16931 / Factur-X / ZUGFeRD / eRechnung) in Javascript / Typescript.