POLAR Statistics - php Referrer Stats is an advanced, light-weight, php based website statistics software.
Current Version: 1.1.0
Features include:
Graphing
Search term collection, sorted by search engine
Ability to view todays search terms
Collection of non-search engine referrals
Individual page view statistics
Daily statistics
Monthly Statistics
Host Viewer
Total visits per host
Advanced Archiving
Period Averages
Bounce rate estimation (will be greatly improved in future release)
New visitor percentage
Pages per visit estimation
Stats viewer password protection
Weekly email with snapshot stats and link to full stats
Installation is simple. You uncompress the archive, upload Polar Statistics, perform a basic configuration, run the INSTALL.php script to setup the databases, and include the monitoring script on any page you would like to track statistics on. More detailed installation instructions are included in the README.