E‑Rechnungs-Studio
E-Rechnungs-Studio is a German web app for creating, converting, validating and viewing electronic invoices.
Users can upload an existing invoice PDF and convert it into an EN 16931-compatible e-invoice, including XRechnung and ZUGFeRD. The tool also includes an online validator for XRechnung XML files and ZUGFeRD PDFs, plus a viewer that makes structured invoice data readable.
It is designed for small businesses, freelancers, agencies, service providers and companies in Germany that need to handle individual e-invoices without installing full accounting software.
Core functions include PDF to XRechnung conversion, PDF to ZUGFeRD conversion, XRechnung validation, ZUGFeRD validation and readable e-invoice viewing.
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MertAGI
MertAGI is a cloud-based AI-assisted trade operations platform for businesses that buy and sell goods. Its MAGI assistant supports product and supplier research, market and price comparison, quote requests, negotiation, buyer discovery, order handling, warehouse coordination, shipping documents, invoicing and bookkeeping. Teams can define operating limits and approval thresholds; actions requiring authorization wait for human approval, while decisions and supporting evidence are kept in an audit trail. It also supports company storefronts and marketplace offers. For accounting workflows, it produces DATEV-format booking exports and supports e-invoice formats including XRechnung and ZUGFeRD. MertAGI is aimed at traders, wholesalers and commercial teams coordinating sourcing, procurement and sales.
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Robin
Robin’s workplace platform is built with hybrid work in mind and has specialized tools for visitor management, meeting room management and flexible desk booking. Get everything you need to help people find coworkers, conference rooms, and welcome guests to the office.
Robin’s visitor management makes it easy for teams to invite and coordinate people visiting the office.
Gain actionable insights around office capacity trends, team-by-team stats and meeting room usage. Need more in-depth reporting? Exports from Robin can be uploaded into PowerBI, Excel, or other tools for more granular analytics.
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billmatic
billmatic is cloud-based invoicing, e-invoicing, and accounting software for freelancers, agencies, founders, self-employed professionals, and small businesses in Germany. The platform helps users create quotes, invoices, ZUGFeRD e-invoices, payment reminders, and DATEV exports in one web-based workflow. billmatic includes customer management, company management, product management, incoming invoice management, invoice history, dunning management, CSV export, automated email import for incoming invoices, and API access for integrations with external systems. The software is built for businesses that want a practical alternative to complex accounting or ERP tools and need a simple way to manage billing, receivables, documents, and accounting preparation. With its API, billmatic can be connected to internal tools, custom workflows, and solutions such as PageBot for chat-based invoice creation. billmatic is developed by ujamii GmbH in Dresden, Germany.
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