Highly Customizable Feedback Popup Plugin – Feedback Modal
The Feedback Modal plugin creates a sticky Feedback tab that pops up a feedback popup containing a rating system, comment form, and email input to gather feedback from your visitors.
Tag Feedback
Pretty Simple Post Like/Dislike Plugin For WordPress – WPAC Like System
Just another post feedback plugin that adds a pretty nice like/dislike system to your Wordpress posts.
Display Was This Article Helpful Survey On The WordPress Posts And Pages
A simple article feedback plugin that creates a Was This Article Helpful/Useful survey at the bottom of the Wordpress posts and/or pages.