jgadbois

A simple plugin for adding review and rating functionality to WordPress comments.
The plugin provides a series of template tags for adding review functionality to your comments
Here’s a few of them:
<ol>
<li>csr_get_rating_star_form() – adds the review stars to the comment form. Ratings are automatically saved</li>
<li>csr_get_rating_star_form_label() – a label for the review star field</li>
<li>csr_get_rating_stars($comment_id = 0) – a view only view of the rating stars for a comment </li>
<li>csr_get_comment_rating($comment_id = 0) – the numeric rating for a comment</li>
<li>csr_get_overall_rating($post_id = 0) – the average rating for a post</li>
<li>csr_get_overall_rating_stars($post_id = 0) – the stars representing the average rating for a post</li>
<li>csr_get_rating_count($post_id = 0) – the number of ratings for a post</li>
</ol>

Comment Rating Stars

A simple plugin for adding review and rating functionality to WordPress comments.

Alexandre Froger

This plugin merges comments lists for all the languages. When active, each post displays all the related comments, including Custom Post types. 
It is compatible with WooCommerce product reviews – it re-calculates the product rating average taking into account the reviews for all languages.

Unify WPML Comments

Unify WPML Comments displays all the comments of a given post for all active languages.

Comment Rating Stars vs Unify WPML Comments