Create Custom AJAX-enabled Like Icons Throughout Your Site – Lotos Likes
Lotos Likes is a Like/Voting system which adds custom, AJAX-enabled like icons to Wordpress posts, pages, archives, search results, etc.
Tag vote
Display Like/Dislike Buttons After Or Before Posts – Posts Like Dislike
Yet another like/dislike plugin which displays AJAX enabled like/dislike buttons with count after of before Wordpress posts.
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.
Basic Reddit Style Voting System For WordPress – Vote Up/Down
A minimal, simple-to-use voting system for Wordpress that provides a minimal, Reddit-like thumbs up or thumbs down vote for your posts and pages.
Customizable Like & Dislike Buttons With Counter
This is a Wordpress plugin named 'Like dislike counter' that automatically adds Like & Dislike buttons with counts at the bottom of Wordpress posts or pages.