Gnome and some KDE applications used to offer tear-off menus that could be positioned anywhere, similar to NeXTSTEP and its derivatives. Seemed like a neat idea that still deserves some consideration.

The superior app experience may end up finally tipping the scale on my perpetual indecision between Lemmy vs Kbin.

Designed by none other than the legendary Susan Kare, apparently.

Complete the effect by combining them with a wristwatch broadcasting your heart rate and the transfixed stare of Apple’s goggles.

It’s a paid app only available for Windows and Mac at the moment, but Fork may be worth a look: https://git-fork.com