Balto - Easy feedback with screenshot / videos for your beta apps
Asklayer.io - Get real answers from your customers with Asklayers surveys, quizzes, polls and more. Works on any website with zero code and includes enterprise level features such auto-segmentation, user tagging, branching, NPS & CSAT calculation.
buddybuild - Buddybuild ties together continuous integration, continuous delivery and an iterative feedback solution into a single, seamless system. With buddybuild, you can focus on what matters most: creating awesome apps.
Doorbell.io - Collect in-app user feedback. Available on websites, iOS, and Android.
Twitter Audience Insights - Loads of info about your followers, their interests, & more
User Interviews + Lookback - Target any audience & record their feedback