TrackDuck - Visual feedback for web design and development.
Incoming Feedback by Hotjar - Instant visual feedback for your website or app!
zipBoard - ZipBoard is a web-based visual bug tracking & issue tracking tool that helps developers, testers and project managers collaborate during website and elearning development.
ProductBoard Customer Feedback Portal - Share feature plans and collect feedback at scale for free
GitLab - Create, review and deploy code together with GitLab open source git repo management software | GitLab
Feedback Tools - Curated directory of tools for getting all the feedback