BudgetSheet ( https://www.budgetsheet.com ) -> $6k MRR avg. for the year. Will likely have my first $10k month in January.

Live Bank Transactions + Google Sheets. Links accounts with Plaid to track transactions and balances over time with some helpful templates. All the data is yours in your own spreadsheet to do with what you want.

Revenue is somewhat seasonal. Most revenue comes in Q1+Q2 and trails off in Q3+Q4. Used by individuals and small businesses that love spreadsheets and want to manage their own finances.