DISQUS - Disqus is a global comment system that improves discussion on websites and connects conversations across the web.
Working Copy - The powerful Git client for iOS
Hyvor Talk - The Best Commenting Platform For Your Website
GitHub Team Discussions - Now there's more space to talk through your projects 💬
Commento - A fast, bloat-free comments system to foster discussion on your website
gitui - blazing fast terminal-ui for git