Links to analysis which are free for use, including open source products.
An open source log analyzer. Along with the usual web statistics of pages, hits, also shows busiest hours, a search engine breakout with keywords, robots, and broken links. Works with IIS or Apache using a Perl script, GNU GPL.
The Big Brother Log Analyzer (BBLA)
A free open-source image based page tracker. Reporting generates W3C-compliant HTML and PNG images.
Analyzes the referer log, detects and evaluates gateways, identifies keywords, and breaks down accesses per document and per referring domain. Written in Perl. [Open Source, GPL]
A modular logfile analyzer which is currently able to parse ftp-, webserver and squid logs. The generated output can be viewed by a webbrowser or a text editor; full template engine for customized output.
Tracks your hits on their server. Free for non-commercial users. Uses counters, popular in europe.
PHP/MySQL logging tool via counters. Open Source, GPL.
Free analyzer for referrers. Written in PERL, this program recognizes many search engines (current list at the site) and organizes popular keywords used to get to your site. GPL.
A free Open Source PHP application tracking the visits of Googlebot and many more robots to your site with full statistics in tables and graphs.
Sherlog is not a statistics generator like Webalizer; instead, focuses on providing a view of visitors' routes on a website.
An opensource web log analyzer written in ANSI C, available for Unix and Windows. Can perform path analysis and visualization using graphviz.
Setiware log analyzer in Perl. Provides the basic statistics, ISP ready, good admin docs and pre-formatted html pages.
A log file analysis program for NCSA web server logs, which produces up to twenty different graphical and tabular reports.