What CMS to use for a knowledge library like Wikipedia?

Question

CMS

The initial task is to create a small knowledge base about the area. Really, this is the basis, this is the goal.
But I also want to attract traffic there and hang up the context.
Given these two factors - who can advise something with experience (promotion / development / administration)?

Answer 1

Recommend a wiki engine

Answer 2

https://zippy.com.ua/znote