https://stillat.com/blog/2017/07/23/announcing-meerkat-a-comment-system-for-statamic
I know Kirby does not have a native comments functionality, though such can be brought in though the likes of Disqus.
Statamic, which I have experimented with but stayed with Kirby as I am already familiar with the latter, now has available a separate paid addon for facilitating flat file comments. I’m aware it’s been discussed before as a Kirby possibility as well. Just thought it might be interesting to share what the competition is doing 