Perlscript for website logfiles: See the hits for each page graphed over time, with many other useful reports also. GPL.

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]

Allows users on shared hosting plans (who may not have access to site logs) to create site logs. Freeware, but users need permissions for CGI, Perl and SSI.

Perl script, keeps track of activity by month, week, day and hour, to monitor total hits, bytes transferred, page views, and most popular pages. Reads NCSA common or combined log files, as well as Microsoft extended format log files. [Open Source, no ...

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.

A PHP web counter that logs and show each IP address with reverse DNS, operating system, browser, referring URL, visit time and number of visits in a graphical interface. [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.

Sherlog is not a statistics generator like Webalizer; instead, focuses on providing a view of visitors' routes on a website.

A popular free tool. Includes full C source code. Pre-built executables are available for Windows and Mac.

The original perl-based log analyzer, under "artistic license". Not updated since 1996.