d3wp

Creates “Give Feedback” button in the right bottom corner of the post page. After click, redirects user to the comment box. 
This technique helps you to increase the number of user feedback
Uses jQuery for setting transparency when you move your mouse over the button (animated).
<h3>Feedback</h3>
http://www.webdev3000.com/

WD3K Give Feedback

Creates "Give Feedback" button in the right bottom corner of the post page. After click, redirects user to the comment box.

Collins Agbonghama

Kamal Khan

kk Star Ratings is a widely used star rating plugin for wordpress. Here are some highlighted features:
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User defined amount of star ratings (5 as default) in your posts, pages and publicly accesible custom post types.
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Structured data supporting google rich snippets showing the star ratings in search results which has the potential to drive more traffic to your website.
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Widespread coverage of custom hooks.
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Full control via options page. You can,
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Enable or disable globally.
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Disable star ratings in posts that belong to certain categories.
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Choose where to show the star ratings. It can be on the homepage, in archives, in posts, in pages and/or in custom post types.
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Control the structured data schema and type.
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Restrict votings per unique ip.
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Allow voting in archives.
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Allow guests to vote.
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Customize position within the post content.
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Adjust the amount of stars.
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</ul>
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And much more…
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</ul>

kk Star Ratings – Rate Post & Collect User Feedbacks

Last good version seems to be 4.2. In version 5 some things seems to be missing (left out in favor of PRO version) and if you show stars inside table those tables columns are not sortable any more.

Went bad over time

kk Star Ratings allows blog visitors to involve and interact more effectively with your website by rating posts.

WD3K Give Feedback vs kk Star Ratings – Rate Post & Collect User Feedbacks