A source-available invoice, quote, project and time-tracking app built with Laravel
A free API for generating invoice PDFs and e-Invoices.
phase4 - AS4 client and server for integration into existing systems. Specific support for Peppol and CEF eDelivery built-in.
Java library for reading and writing UBL 2.0, 2.1, 2.2, 2.3 and 2.4 documents
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.
A JavaScript library for creating and parsing electronic invoices compliant with the eInvoicing Directive, EN 16931, and popular extensions
ebInterface development repository for XSD and XSLT artifacts
Usefull classes for PEPPOL programming in NET Core.
Oxalis-NG (Oxalis - Next Generation) - Open-Source implementation of OpenPeppol AS4 profile
A Library containing all UBL types for C#NET Core. See PEPPOL
SP01 Middleware (eSeal Solution) is the simplest way to connect your business to Egyptian Tax Authority (ETA)
All Common C# NETCore Code used in EInvoicing Libraries
A Typescript interface for interacting with Flick APIs - https://docs.flick.network
Ejemplos de llamadas a la API RESTful de Verónica
Flick's API SDK for Python - https://docs.flick.network