確かに、 Mintは素晴らしいです。

Maybe: The OS for your personal finances

Actual is a local-first personal finance tool. It is 100% free and open-source, written in NodeJS, it has a synchronization element so that all your changes can move between devices without any heavy lifting.

A free and open source personal finance manager

Ghostfolio is an open source wealth management software built with web technology. The application empowers busy people to keep track of stocks, ETFs or cryptocurrencies and make solid, data-driven investment decisions. The software is designed for personal use in continuous operation.