InvoCore is an e-invoicing solution built for freelancers and small businesses in Germany, Austria, and Switzerland. It generates XRechnung and ZUGFeRD invoices in one click, fully compliant with EU standard EN 16931. Key features include DATEV export for seamless collaboration with your Steuerberater, recurring invoices, client management, and payment tracking. The system validates invoices before export so you catch errors before submission, not after rejection. InvoCore supports German and English interfaces and is hosted in Germany, fully DSGVO-compliant.