Userfeed - Product feedback made for Intercom
Loops Feedback - Feedback on design ideas in minutes via 110m+ people
Fider - Fider is an open source, cross platform and free to use customer feedback platform for companies...
Storydoc - Easily generate interactive decks and presentations that increase lead engagement and conversion
ClearFlask - Open-source Product Feedback Tool with a Public Roadmap and Announcements.
Feedback by Pixelic - Painless design feedback and version control.