Instabug - The top apps in the world rely on Instabug for beta testing, user engagement and crash reporting.
Highlight - "Highlight" physical books through conductive pages 📖✨
Bird Eats Bug - Saw a bug? Send an instant replay to engineers. It will come with console logs and everything. Developers will ❤️ you.
Brevy (beta) - Give feedback, Google-doc style, directly on your website
Disbug - Bug reporting tool that records screen and posts to Jira along with console & network logs
SideComments.js - add Medium like comments to your site