CrazyStat is a web analytics script written in PHP. It does not need access to server-logfiles or a MySQL-database to generate statistics of your website visitors. The script has very good usability and still has lots of features. The stats only need one screen length to present all the information. It's fast because of it's caching technology and uses minimal webspace by compressing logfiles. It's free and released under GPL as open source software.
With CrazyStat, it is easy to respect...
Use Pentaho open source business intelligence tools and MySQL to collect & distribute web analytics (clickstream) data. Extract data from logs, load database tables, & present the information in dashboards, analysis cubes, and reports for business users.
This project has been moved to github - https://github.com/cjlavigne/breadboard
Qualiweb aims at providing semantic web metrics for modeling a website visitors needs according to a given taxonomy or document classification. Web metrics provided by Qualiweb give an indication of how successful each of the website topics have been.
SiteEngine is a Servlet based web subsystem purposed to simplify of managing of site content (but it is not a Content Management System, it is just a lib).