Picture in picture for your Mac. Just drag a video, picture website or file to your menu bar.
Grayscale Mode is a menu bar app that gives you more control over Grayscale Mode.
HiddenMe hides all the clutter on your mac desktop with a single click.
Hummingbird is a menu bar app that allows easy moving and resizing of windows by holding modifier keys and dragging your mouse to move and resize windows.
MacOS app to change the screen brightness on the menubar.