Key Names is a mod for Baldur's Gate 2 that updates the names of one-off keys after they have been used to unlock their specific door to make it clearer in the inventory which items are still required.
btigi/iiKeyNames
iiKeyNames is a mod for Baldur's Gate 2, which alters the names of key items once they have been used, to help you organise your inventory and only carry required items around.