INQ.Social - Engage with customers & apply the data to marketing
Incoming Feedback by Hotjar - Instant visual feedback for your website or app!
Intercom on Customer Engagement - A book on how to create messages that drive engagement
Canny - Canny helps you collect and organize feature requests to better understand customer needs and prioritize your roadmap.
Segment Personas - Customer data infrastructure
ProductBoard Customer Feedback Portal - Share feature plans and collect feedback at scale for free