SNetGuard 

Block any specific URL, domain name or type of file easily! Block any specific IP address! Block annoying ad pop-up windows! Log all URLs and IPs that are visited!
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WhosOn 

WhosOn is a real time log file analyzer. It displays a list of currently active visitors and allows visitors to chat to you. Also includes real time error and exception reporting plus historical reporting via a SQL database.
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Relax 

Relax is a free, multi-platform web server log analyzer for tracking which search engines, search keywords and referring URLs led visitors to the web site. Frequently updated parser module recognizes hundreds of search engines.
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Relax for Windows 

Relax for Windows is a free, web server log analyzer that tracks which search engines, search keywords and referring URLs led visitors to the web site. Frequently updated parser module recognizes hundreds of search engines.
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See Whos Linking 

Scan your website log files for people that link to you. Automatically browse to the pages that link to your site through the in-program browser.
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CNStats Free 

CNStats is a real-time system for accumulation and analysis of site attendance statistics. (PHP/MySql) The system is easy to install at your site and counts statistics including those working with JavaScripts and pictures turned off.
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