If you're looking for a no-frills tracker, Google Sheets has a free to-do list template with columns for tasks and due dates.

Whether you're using Google Sheets for small business templates ... You do need to be specific with how the unit is abbreviated, based on what Google has specified in the extensive list of ...

Google Sheets ... to do it. After that, you should see a down-carrot appear within the cell, or cells, you specified. When you click into that, you'll see the options you added - either a list ...