Highlight - "Highlight" physical books through conductive pages 📖✨
Cusdis - Open-source, lightweight comment system for your website
Buglife - Seriously awesome bug reporting for iOS apps
Comments for Zillow (Chrome Extension) - The fabled comment section on zillow
SideComments.js - add Medium like comments to your site
Localize - Localize is a no-code translation solution for SaaS platforms, allowing you to easily translate your web app, dashboard, API docs, and much more.