jnk.mnz

Posted on Nov 1

Edited on Nov 1

AI-assisted

My accounting data lives on my Mac. Not in some cloud.

As a freelancer, I spent a long time looking for a tool that combines invoicing, time tracking, and taxes without a subscription and without storing my financial data on someone else’s servers. I couldn’t find one. So I built it myself.

Midnight is an open-source app for freelancers and self-employed professionals in Germany:

Invoices as PDF, XRechnung, or ZUGFeRD

Time tracking with projects, budgets, and one-click billing

Income, expenses, and receipts tailored to German EÜR accounting

Tax forecasts for the current year

An MCP server that allows AI agents to work directly with your own data

Everything runs locally in an SQLite database.…