Log analyser for Squid access.log
free netflow analyzer
Firewall log analyzer
Enterprise-class, distributed monitoring solution for networks & apps
OPTOSS Next Gen Network Management System (NG-NetMS)
The web based syslog gui
PHP 404 pages to trap malicious web requests and report abusers
Tools to help you control IT systems and escape their control over you
Extension of phpLicenseWatcher
Log and track user/computer info in MS Windows environments