Budiony Damyanov

Counts the visits from web spiders, crawlers and bots in your blog, with ability to get the blog rankings from Google or Alexa. 
Also can count any other visit, the plug-in is looking for patterns in user-agent string, which pattern can be customized. 
You can block or unblock crawler, spider (or any other item), by IP address and identifier via .htaccess file. 
As additional information you can get your blog rankings from Google PageRank or Alexa.

bodi0`s Bots visits counter

Counts the visits from web spiders, crawlers and bots in your blog, with ability to get the blog rankings.

Statistico is unique WordPress plugin of its kind which helps to track and analyze most essential, useful and highly interesting visitor’s data.
It focuses on collecting cruical website visitors data, storing and representing it in the right way so you can make quick and precise decisions.
STATISTICO FEATURES:
<ul>
<li>Browser agent and browser version</li>
<li>Platform / Operating system</li>
<li>Visitor’s Screen resolution</li>
<li>Browser usage</li>
<li>OS Usage</li>
<li>Fancy Column and Pie charts</li>
<li>One-click setup</li>
<li>Easy integration</li>
</ul>
Visit <a href="http://wpsalad.com/" rel="nofollow ugc">WP Salad</a>

Statistico

Statistico – standalone stats and analytics for WordPress

bodi0`s Bots visits counter vs Statistico