FL3R

FL3R FeelBox is a plugin that any blogger can use to track the emotional feedback (Fascinated, Happy, Sad, Angry, Bored or Afraid) of an individual blog post or article. The plugin can be configured to automatically appear below all of your posts, just above the comments, or manually placed anywhere you want, with a WordPress tag or PHP. 
FL3R FeelBox can shows statistics of your posts, sorted by user involvement based on the time period or the emotions. 
You can choose from various icons style and add your own title above the plugin: in example, classic style, Emoji One style, Korosensei style tribute from anime Assassination Classroom (暗殺教室 Ansatsu kyōshitsu) and manga style. If you want a new style you can suggest or send one. (｡◕‿‿◕｡) 
It includes a widget to show your readers the most emotional posts or sort it by a particular emotion, or by the past day, week, month or year.

FL3R FeelBox

Adds an one-click real-time mood rating FeelBox to all of your posts. Oh, there is…

dFactory

<a href="http://www.dfactory.eu/plugins/post-ratings/" rel="nofollow ugc">Post Ratings</a> is a simple, developer-friendly, straightforward post rating plugin. Relies on post meta to store avg. rating / vote count.
For more information, check out plugin page at <a href="http://www.dfactory.eu/" rel="nofollow ugc">dFactory</a> or plugin <a href="http://www.dfactory.eu/support/forum/post-ratings/" rel="nofollow ugc">support forum</a>.
<h4>Features include:</h4>
<ul>
<li>Allow your site users to rate posts (of any kind)</li>
<li>Display the average post rating, vote count or weighted (bayesian) rating within your posts</li>
<li>Display a widget with the top rated posts in your sidebar</li>
<li>Allow you to create your own rating formula</li>
</ul>
Why another rating plugin? Because the existing ones are either outdated, bloated with useless functionality, or just too buggy 🙂

Post Ratings

Simple, developer-friendly, straightforward post rating plugin. Relies on post meta to store avg. rating / vote count.

FL3R FeelBox vs Post Ratings