Open Source Java e-Invoicing library, validator and tool (Factur-X/ZUGFeRD, UNCEFACT/CII XRechnung)
ZUGFeRD/XRechnung/Factur-X Library
A desktop application, that creates and validates ZUGFeRD invoices.
ZUGFeRD PHP SDK (Factur-X, XRechnung)
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.
Modern PHP 8.4 library for PDF generation. Pure PHP, no external runtime dependencies beyond the standard mbstring, openssl, and zlib extensions.
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
Emboss — precision PDF generation for Python. Declarative specs, Knuth-Plass typography, PDF/UA tagging, deterministic output.
E-Inovice Validator for Germany (E-Rechnung Validator)
create xml invoice conforming to CIUS XRechnung or €uropean standard EN16931
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.
A library for PHP to generate and read EN16931 conform structured XML data with the syntaxes of UBL and CII.
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