Strong Email & Apache Log Analysis with Active Security Features
Snare Enterprise: bit.ly/Snare-Trial
Open Source SIEM
Free Syslog Server for Windows with a graphical user interface
Visual Syslog Server for Windows with a graphical user interface.
Visual instrument for analyze internet traffic
Python WebServer Log File Analyzer
PHPIDS-based Security Log Analyzer for Apache
Write Squid access.log entries into a mysql database.