Which add-on to have a big fps counter outside of the game window, on the desktop of the secondary monitor?

[Beam Hat]

I've searched for one on Windows 10, but didn't find any. Do you guys know a way to acheive that?

P.S. : I've made a Reddit post about it, maybe you can read it for more details:

https://www.reddit.com/r/pcmasterrace/comments/d7dgjw