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.

Library for creating electronic invoices in several formats

Facturación Electrónica de Venezuela para la normativa del SENIAT

电子发票合并工具，旨在解决批量处理电子发票的痛点问题。通过自动合并、智能识别和数据统计，让报销流程更简单高效。本工具完全免费在线使用，所有数据处理均在本地浏览器完成，无需上传服务器，保护您的隐私安全。

Visualizer for XRechnung

PHP SDK for the ECF DGII electronic fiscal receipt API (Dominican Republic)

Genera, firma y exporta facturas electrónicas FacturaE (3.2.x) en PHP 8.2+ — API fluent, firma XAdES-EPES, sellado de tiempo TSA, cero dependencias. La alternativa moderna a facturae-php.

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