What are some third party desktop screenshot programs?

[tadams587]

What are some third party screenshot programs to snap shot their desktop that users recomend? list below, thx.

 

[Coffee Addict]

Flameshot, works on Linux, Windows and Idk if in OS X, it's a very complete screenshot software, I think there are a few review videos on YT about it.

Edit: Here is the link to the official Flameshot website: https://flameshot.org/