Spreadsheets
Spreadsheet such as Google Sheets or Excel offer an excellent way to track your investment or dividends. In fact, if you level up your skills a little, it becomes like a software to achieve financial forecasting.
Start with budgeting, then move to forecasting growth or spend, and then start tracking more and more details.
Over time, you’ll find a way to import other data sources or simply copy and paste from other data sources.