ryokurosu

This plugin is easy to set category ranking. 
If you view the post,Ranking is on the same category.
This plugin:
<ul>
<li>Easy setting ranking widget on same category</li>
<li>Frontpage ranking is able to choose</li>
</ul>
Please contact me if you want additional setting.

Simple Category Ranking

this is a better way to ranking widget with category.

osman sorkar

It help your to view your recent popular post anywhere nicely. Where you want view your recent popular please paste this code here <code><?php if(function_exists('round_top_posts')){round_top_posts();} ?></code>.

Simple Category Ranking vs Round Top Post