SQL operating system instrumentation and monitoring framework
Firewall log analyzer
Performance Data collector for Monitoring.
Log analyser for Squid access.log
free netflow analyzer
Logging utility for DB2 for LUW written in SQL-PL
Enterprise-class, distributed monitoring solution for networks & apps
Snare Enterprise: bit.ly/Snare-Trial
OPTOSS Next Gen Network Management System (NG-NetMS)
The web based syslog gui
PHP 404 pages to trap malicious web requests and report abusers
Real time monitoring : RPi-Monitor always keep an eye on your computer
Tools to help you control IT systems and escape their control over you