kwbridge

A simple internal star rating plugin for your personal collection or reviews. For example, if you are cataloging your book collection with WordPress you will add a number between 1-5 to the My Rating Field and that rating will appear as ratings with stars on the front end. There a number ratings plugins that allow users to vote on the content but I wanted something simpler for my own collection.
This could be used for reviews and was as personal collections of books, movies, videogames, etc …

Simple Star Rating

A simple internal star rating for your collections or reviews.

elpix-GmbH

Star rating for posts and pages integrated in comment-functionality of wordpress. This plugin uses the 5-Star-System. 
Use the shortcode [elpix_average_rating] in your content to show the average rating of the post or page.

elpix Rate Post in Comment

Star rating for posts and pages integrated in comment-functionality of wordpress.

Simple Star Rating vs elpix Rate Post in Comment