Incoming Feedback by Hotjar - Instant visual feedback for your website or app!
Canny - Canny helps you collect and organize feature requests to better understand customer needs and prioritize your roadmap.
Appzi - Appzi is a web based user feedback platform that enables SaaS companies to collect product feedback, right from within their website or app.
ProductBoard Customer Feedback Portal - Share feature plans and collect feedback at scale for free
Feedback Tools - Curated directory of tools for getting all the feedback
FeedbackButton.io - Get user feedback directly from your website with a simple feedback button.