Free, open-source desktop app for GoBD-compliant email archiving. Local-first, tamper-evident, audit-ready.
A simple, pure JavaScript income tax calculator for Germany (2025) that computes net income based on gross annual income and various tax and social contribution parameters. This project demonstrates a simplified progressive tax calculation model and includes a clean, modern UI.
A local-first finance copilot for German expats, covering tax filing, cash flow, investing, insurance, crypto, and document intelligence in one unified toolkit.
MCP server for German e-invoice compliance — XRechnung 3.0 & ZUGFeRD 2.x. Validate, generate, parse, and check compliance of electronic invoices per EN 16931.
HGB-Buchhaltungs-Plugin für Claude — DATEV SKR03/04, GmbH+UG, GoBD-konform. Inspiriert vom Anthropic Finance Plugin.
Best Free German Accounting Plugin for Claude 2026 – HGB GoBD DATEV SKR03/04
MCP server for EU VAT ID validation (USt-IdNr) via BZSt eVatR REST API — qualified confirmation, batch validation, §6a UStG compliance
Altersvorsorge-Depot (AVD) vs. ETF-Sparplan Vergleichsrechner 2027 — mit Zulagen, Steuerklassen, Vorabpauschale, nachgelagerter Besteuerung. 100% steuerlich korrekt.
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