Cusdis - Open-source, lightweight comment system for your website
Backtracks - Advanced podcast analytics and hosting platform
Commenze - Fully customizable comment sections for any website
Anchor.fm - Record bite-sized podcasts that anyone can join ⚓
CommentBox.io - Imagine a cleaner, prettier Disqus, but without the ads, tracking, or sharing of personal data.
Comments by Highlight - Collaboration on Highlight makes debugging faster than ever