Hidden Bar lets you hide your menu bar items. You can even configure the auto-hide time.
Hide My Bar
Menu Bar Dock
Menu Bar Dock places the apps you currently have open onto your menu bar. Now you have freed up all that space at the bottom of your screen!
You can change the number of apps shown, icon size and spacing, and sorting order in the app’s preferences.
Menu Bar Splitter
One Switch
This menu bar app keeps all your powerful switches in one place: Hide Desktop Icons, Dark Mode, Keep Awake, Screen Saver, AirPods Connect, DND and Night Shift.