Enhanced Apache Server Status page - for one or multiple servers
AWStats Log Analyzer
Log analyser for Squid access.log
Strong Email & Apache Log Analysis with Active Security Features
Snare Enterprise: bit.ly/Snare-Trial
Python WebServer Log File Analyzer
Free-SA is report generating tool for web, proxy and mail log files
Squid log data warehouse
Project's new home: https://github.com/Stunner/FileZilla-Log-Analyzer