Doran - Doran is a platform to collect customer feedback with product roadmap and changelog tools.
Featurebase - The all-in-one toolkit for managing your customer feedback.
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
Nolt - A fast & beautiful way to collect user feedback
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.
FeedBear - The smartest way to manage feedback from your customers