W3Perl is a free logfile analyzer
W3Perl is a monitoring tool for Web/FTP/Squid and mail servers.
It can use server's logfiles and be used as a web analytic tool (page tagging).
The perl scripts analyze logfiles and produce HTML/PDF reports.
W3Perl can be run from the command line or from the web interface.
 Latest release : Stable 3.06 (May 12th 2009) - Developement 3.063
Follow W3Perl news on twitter
daily
W3Perl Documentation 
- Package's documentation (english - french)
- Powerpoint (2.5 Mb) - November 03rd 2008
Documentation about stats package 
- The Best Free Website Monitoring Tools
- List of web analytics software
- Best Free Web Log Analysis Tools
- 10 Web Analytics Tools For Tracking Your Visitors
- Overview of Web Site Traffic Analysis Tools
- Table of stats tools
- Etude sur quelques outils de stats (March 2007)
- Powerpoint from Steve Castledine about Web Stats Tools.
 Tools 
- Forum : To send comments
- Bugs report : Submit your bug
- Mailing list : If you need help
- Configuration : Build your config file online
 Developements 
- Blog : Follow W3Perl development
- RSS : RSS news about the package
Want to contribute ? There are many ways to help
 - Translation (reports / docs)   - Test and send bug reports   - Working on clickmap 
 - Submit your own CSS style   - Improving Windows installer   - Improving Cities map 
 - Supporting the web hosting review guide   - Answering the survey   - More ... 
Screenshot Survey Demo Bug report Download Forum News Reports
- Requirements
Perl need to be installed. No database or cgi or logfiles required
- Powerful features
Real-time, sessions, PDF, RSS, email report and many more ...
- Easy to install
RPM/Debian package available for Unix, binary files for Windows (IIS/Apache/Abyss/Local)
- Easy to manage
An administration interface allow to configuration/launch your stats from a web interface
- Configuration
Filters / Display / Paths are stored in a configuration file
- Fast
Incremental mode, don't need to reload the whole log file
- Support for many servers
IIS or Unix web server but also FTP/Squid and Email (postfix/sendmail/exim)
- Work with or without logfiles access
Splitted/Compressed logfiles - Wide range of log filename supported - Javascript tag available

Keep me informed about new releases
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french Version Française
Contact : mail
rss Latest news - June 26th 2009
- Added support for %login field with Squid format
- Filetype can display host's list.
- Refer stats can be done on all kind of files.
- Added pie chart on session stats
- Few minor bug fixes from 3.06

What's news from the latest release :

3.06
loupe - Nicer pages reports
loupe - More pie charts
loupe - Improved cities map
3.05
loupe - Referer stats improved
loupe - CSS Style selection
loupe - Improved sort table
3.04
loupe - Pure CSS menu
loupe - Date selection
loupe - Daily details
screenshot

Demo available here
W3Perl 3.06 - Stable
(May 12th 2009)

W3Perl 3.063 - Dev
(June 26th 2009)

Download here