Awstats
From Alessandro's Wiki
Analyzer and report for apache logs.
awstats
- how to process old files;
/usr/local/awstats/wwwroot/cgi-bin/awstats.pl -update -config=website.com -LogFile="/usr/share/awstats/tools/logresvemerge.pl /var/www/website/logs/access.log.*.gz* |"