SetMyFPS displays current FPS or average FPS for past 5 or 30 seconds. Current FPS is displayed in red, average FPS for past 5 seconds in yellow, and average FPS for past 30 seconds is dislayed in green. Also, current frame's FPS is displayed in white.
Left click changes the FPS display type (instant, current second, 5 sec average, 30 sec average). Right click toggles Drag'n'Drop.