Invision - Prototyping and collaboration for design teams
Emojicom.io - Capture your visitors emotions
Marvel - Turn sketches, mockups and designs into web, iPhone, iOS, Android and Apple Watch app prototypes.
Feedback Lane - Feedback Lane lets you add a feedback widget to your website that's connected to a Notion table in your workspace.Make it easy for customers to send you feedback, then manage that feedback where you manage your business (Notion!)
Axure RP - The prototyping and specification software used by 87% of the Fortune 100. Beyond mockups, design interactive prototypes for business solutions, websites, and applications.
Sleekplan - Embedded customer feedback management made for SaaS - The most sleek solution to collect and manage user feedback, keep a changelog and know your customers' needs.