SessionStack - Record and replay web app issues. See them the way they happened to end users.
Balto - Easy feedback with screenshot / videos for your beta apps
Solidify - Build prototypes for user testing feedback across devices.
Session Replay by Zarget - See how visitors view and use your site.
Video Contact Forms by Typeform - Get 10x more personal with your site's visitors from Day 1
UserTest.io - User testing made simple. High-quality, affordable user testing solutions from real users, here in the UK. Improve your usability!