Enhanced Apache Server Status page - for one or multiple servers
AWStats Log Analyzer
Strong Email & Apache Log Analysis with Active Security Features
Log analyser for Squid access.log
A multi-threaded, multi-database tcp-based database insertion app.
Real-time log monitoring in your browser
Snare Enterprise: bit.ly/Snare-Trial
A multi-platform universal log collector and forwarder
Log File Monitoring - Check Log Files, Analyze, Alert on any UNIX Log
Workflow Designer, Hive Editor, Pig Editor, File System Browser
Python WebServer Log File Analyzer
linux tool to improve server security
Free-SA is report generating tool for web, proxy and mail log files
Squid log data warehouse