Kishore

This plugin is using Google Pagerank API to fetch the Google Pagerank of any webpage and the pages of your blog Features
<ol>
<li>Display page rank of you blog</li>
<li>Give your visitors a tool to check pagerank</li>
<li>Simple installation</li>
<li>Ajax based Pagerank checker</li>
</ol>

Kish PR

A plugin to check Pagerank of any website or webpage. Display pagerank of your blog pages

grobekelle

RankingBadge displays ranking information from major sources such as Google (PageRank), Alexa (Alexa traffic Rank) and Technorati in the sidebar of your blog.
Check out more <a href="http://www.grobekelle.de/wordpress-plugins" title="Wordpress Plugins" rel="nofollow ugc">WordPress Plugins</a> brought to you by <a href="http://www.grobekelle.de" title="Grobekelle" rel="nofollow ugc">Grobekelle</a>.

RankingBadge

RankingBadge displays ranking information from major sources such as Google (PageRank), Alexa (Alexa traffic Rank) and Technorati in the sidebar of yo …

Kish PR vs RankingBadge