tech-c.net

This plugin logs the visitors of your homepage. The records including IP-address, browser, operating system, requested page as well as the originate page. The extended version of this plugin also measures the actual time a visitor looks at the page.

Visitors Tracker by tech-c.net

This plugin logs the visitors of your homepage.

hitmeter

This plugin inserts to site pages counter code of HitMeter – the free web sites statistic system. 
It just insert the counter code, not calculate any statistics.
You can place counter to the bottom of the page or you can choose the plase by using widget.

HitMeter Counter

Inserts to site pages counter code of HitMeter - the free web sites statistic system

Visitors Tracker by tech-c.net vs HitMeter Counter