A powerful post rating / review system plugin for WordPress including 5 star ratings and rich snippets.
Powerful, highly customizable and versatile ratings plugin to allow your users to vote for anything you want.
Simple, developer-friendly, straightforward post rating plugin. Relies on post meta to store avg. rating / vote count.
Evaluate adds many options for user interaction to your site, such as Like, Up/Down Vote, 5-Star ratings and polls.
Display links to your most 'interesting' posts, where interestingness is determined automatically by a Bayesian learning algorithm.