Which preprocessor to choose?

Question

Preprocessors

Good afternoon dear experts. Which css preprocessor should you choose in 2017?
1) SCSS
2) Styles
3) LESS
.) .... (your own version)
Or choose any of the ones I presented?
There is something like "post-processors" but I haven't studied this topic... maybe it is relevant now and will be relevant?
I will be glad to any answer to this question! Thank you!

Answer 1

Preprocessor in 2017. Which to choose?

Same as 2016 and 2015