What are simple drawers with eyeliner for beauty?

Question

Software and Internet Services

It is necessary for the stream, so as not to scribble clumsy drawings, but more or less understandable and visually clean.

Example (built-in program in MacOS for processing screenshots):

Answer 1

I just found out yesterday)))
I wanted to put shutter in lmde 4, but it was cut out of a turnip :(
installed ksnip (cross-platform)
https://github.com/ksnip/ksnip/releases
as for me - it's even better than shutter
ps
for Windows there is fsviewer fscapture
in fscapture the editor is a little more convenient than in fsviewer (but maybe it just seemed to me so)

Answer 2

Usually (in different programs) Shiftit does not allow the lines to bend.