GP2 Slots and Tyre Editor
toolCar physics and Magic Data editing (values that control several track slot dependant parameters, like AI speed, pit joining lanes, etc)
Tyre grip and wear
A track manager (for using with GP2Lap track managing feature)
Saved game editor (for changing AI pit stop strategies)
Misc features (GP2Limit, refueling rule change, session durantion, etc)