Create a community, where your users can suggest ideas and get questions answered. And have friendly open-ended discussions and chat (Slack/StackOverflow/Discourse/Reddit/Disqus hybrid).
Alternatives
Open source alternatives to Disqus
Tools whose README metadata names Disqus as a product they can replace.
Lightweight commenting server written in Python and Javascript. It aims to be a drop-in replacement for Disqus.