rFactor Setup Manager 1.0Free
While the name is not pretty, it does provide the average sim-racer access to a simple memory aid to jot down notes about their car's set up. Making it easier to keep track of what you have done and what worked or didn't.
This is an external tool designed to help the average sim-racer keep up with the dizzying array of setup options available on most cars these days. The spreadsheet is designed to be printed out for use while testing and/or racing.