I see people are mostly using Disqus. I just dropped this topic to discuss on others. Have you tried something else? Share it.
#1. Muut
(with both gratis and enterprise services)
<img src="//discourse-cloud-file-uploads.s3.dualstack.us-west-2.amazonaws.com/standard10/uploads/gohugo/original/2X/7/7002dc010ac43c27c8c459bca5b040861b767ece.png" width= height=“300”>
- Embeding: http://learn.muut.com/embed/comments
- Importer: https://muut.com/blog/technology/from-disqus-to-muut
- FAQ: http://learn.muut.com/faq
- Screenshot: