Balto - Easy feedback with screenshot / videos for your beta apps
Userfeed - Product feedback made for Intercom
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.
Fider - Fider is an open source, cross platform and free to use customer feedback platform for companies...
Twitter Audience Insights - Loads of info about your followers, their interests, & more
ClearFlask - Open-source Product Feedback Tool with a Public Roadmap and Announcements.