I wrote this a decade ago and have been using this for all of my personal and business spending: https://zetabee.com/cashflow/ https://zetabee.com/cashflow/ It

I wrote this a decade ago and have been using this for all of my personal and business spending: https://zetabee.com/cashflow/ https://zetabee.com/cashflow/ It's not automated but it can help future income/expenses/balance in an Excel-like UI.