PDF Xpansion SDK
The PDF Xpansion SDK provides features, methods and functionality that let software developers create PDF and PDF/A enabled applications and software solutions. It offers a wide range of options for creating and editing PDF, PDF/A and XPS documents, for displaying and printing them on paper, for conversions between these formats, exporting and/or importing from/to other file formats.
Moreover, PDF Xpansion SDK comes with eInvoicing functionality for the formats Peppol BIS Billling, Factur-X, XRechnung. It enables software developers to integrate EU-compliant electronic invoicing functionality (create, display, convert, and read electronic invoices) according to EU standard 16931 in applications.
The SDK is made to integrate those functions into both Windows desktop applications for the PC and for Windows Apps. The pricing model is flexible, since it allows a modularized purchase of separate functionality, so only those features have to be paid for that are really needed.
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E-Rechnung Pro
E-Rechnung Pro is a browser-based e-invoicing tool for freelancers, small businesses and accounting professionals that need to prepare ZUGFeRD or Factur-X documents. Users can create hybrid PDF/A-3 invoices with embedded XML in BASIC, EN 16931 and EXTENDED profiles, convert existing PDF invoices into hybrid files with OCR-assisted extraction for scans, and validate ZUGFeRD, Factur-X and XRechnung documents against EN 16931 rules. A document area provides history, status and search for invoices and validation results. The service runs online without installation and supports English, German, French and Ukrainian interfaces. Users can review validation messages and download files for further handling in their existing workflows.
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Facturwise
Facturwise is an invoicing platform for EU freelancers and small businesses with ZUGFeRD and Factur-X e-invoicing compliance built into every plan — including free.
Germany mandates e-invoicing from 2027, France from September 2026. Most tools charge extra for compliance or don't support both standards. Facturwise generates fully compliant ZUGFeRD 2.4 and Factur-X 1.0.8 invoices automatically — no plugins, no configuration, no extra cost.
Every invoice is a hybrid PDF/A-3 document with structured CII XML embedded inside — human-readable for your client, machine-readable for their accounting software.
Beyond compliance: multilingual invoices in 6 languages, 30 currencies, SEPA QR codes for zero-fee bank transfers, automated recurring billing, payment reminders, expense tracking, client management, quotes, credit notes, and a financial dashboard.
Start free, no credit card required.
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Structure Hub
Structure Hub is a browser-based e-commerce back office for independent retailers managing online shops. It connects to an existing website whose code can be modified, so the site does not need to be replaced. From one workspace, users manage catalogs, prices, stock, orders, customers, shipping rules, pickup slots, quotes, invoices, credit notes, and in-store sales. It connects with carriers such as Sendcloud; developers can integrate the website through a REST API using the setup guide. The free version is available without a time limit and supports Factur-X invoicing through an approved platform. The full version adds shipping labels and parcel tracking, discount codes, email campaigns and automated scenarios, blog publishing, statistics, and verified reviews. The service runs online with a French-language interface, is hosted in the EU, and lets customers export their data at any time. It is designed for artisans, producers, and retailers selling through their own websites.
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