Doorbell.io - Collect in-app user feedback. Available on websites, iOS, and Android.
Intercom on Product Management - The ultimate resource for aspiring product managers
Rayfeed - Improve your product with video and audio feedback 📹🔊
userinput.io - Get on-demand feedback for your app, website or idea. Learn how to improve by hearing real opinions.
Sleekplan - Embedded customer feedback management made for SaaS - The most sleek solution to collect and manage user feedback, keep a changelog and know your customers' needs.
ithinki - A simple user feedback tool for start-ups