Star-rating is a project mainly written in ..., it's free.
Super simple star rating class
Makes the most basic star rating with html/css3 (and maybe 1 image)
<!-- this makes a 4 out of 5 star rating using a single image sprite -->
<div class="stars"><span class="star4"></span></div>
<!-- or a full font based approach -->
<div class="stars-font star4">★★★★★</div>