UserVoice - UserVoice integrates easy-to-use feedback, helpdesk, and knowledge base management tools in one platform that empowers users to speak and companies to understand.

Feedback Fish - Collect feedback & make your customers happy.

Freshdesk - Freshdesk is a cloud-based customer support software that lets you support customers through traditional channels like phone and email, social channels like Facebook and Twitter, and your own branded community

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!)

Zendesk - Zendesk is a beautiful, lightweight help-desk solution.

Matter - Create a feedback-focused culture in Slack with Matter!