This is incredible! Great job building this and also writing the documentation that explains concepts as well as how they are implemented. I can't believe how many comments here are dismissive. If you are happy using a paid solution to manage your finances and don't want to get into the weeds yourself, you are probably not the target audience for this. One suggestion would be to make the country-specific pieces like…
This tracks all my cashflows, investments, net worth etc, and since it's in excel there's no risk of it disappearing after 10 years