Enhanced Apache Server Status page - for one or multiple servers
Log analyser for Squid access.log
ISC dhcpd leases usage analysis
Strong Email & Apache Log Analysis with Active Security Features
Open Source SIEM
A multi-platform universal log collector and forwarder
Python WebServer Log File Analyzer
Free-SA is report generating tool for web, proxy and mail log files
OCD-01 [OSSEC Cool Dashboard]
Over 600 classes for Web, RFC & File Management