ZUGFeRD/XRechnung/Factur-X Library

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

Open-source POS with Brazilian fiscal module (NF-e/NFC-e). Next.js 16, React 19, PGLite, tRPC, Drizzle ORM.

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

Visualizer for ZUGFeRD/XRechnung/Factur-X

Electronic invoice library for Delphi

minimalist stand-alone XRechnung generator

Netle Developer Network

This repository contains examples to consume the API for electronic invoicing of the Ministerio de Hacienda of Costa Rica

Handle incoming mails and check them for e-invoice documents

Creación y firma de facturas electrónicas y envío a FACe

XRechnung UBL Syntax-Library

A lightweight REST API wrapper around the Mustang-Project CLI for validating ZuGFeRD, Factur-X and UBL documents. Fast, reliable, and easy to integrate.

🇪🇨 SRI SOAP client (https://www.sri.gob.ec/)

Autoencoder Approach for Electronic Invoices Data Clustering

lite CRM + digital invoicing

Official .NET SDK for DGII Electronic Invoicing (e-CF). Easily integrate the Dominican Republic electronic invoicing (Facturación Electrónica) into POS, ERP, invoicing and business systems.

Python-based XAdES-EPES signature validator for XML documents, commonly used in electronic invoicing and digital signing workflows. This tool verifies the integrity, authenticity, and certificate information of signed XML documents, helping ensure compliance with digital signature standards.

Java library for creating electronic invoices compliant to the XRechnung standard.