ExtraWatch

ExtraWatch allows you to watch your website visitors and bots in real-time from the administration menu. Specially their IP addresses, countries they come from, geographical location on a map, which pages they are viewing, their browser and operating system, it creates daily and all-time stats from these information plus unique, pageload and total hits statistics. Furthermore, you can block harmful IP addresses, see blocked attempts stats, evaluate the trend charts, and create goals based on many parameters. In the frontend, it can show the top countries, user and visit information for certain periods of time.
(It's a port of popular JoomlaWatch component for Joomla CMS to Wordpress from the same author)