Cusdis is A lightweight, privacy-first, open-source comment system.
Learn how to connect Cusdis to Gridea.
Sign up and log in to the Cusdis system, then create a new site.
Click on "Embeded code" located at the top left, then copy the text after "data-app-id". (This is the appId).
Now you can go to any post details page on your website to view and use the comments!