Nagios Open Source network monitoring software - The Standard In ITM
Open Source Monitoring System for performance and availability.
Intelligently block brute-force attacks by aggregating system logs
Manage and interpret IPMI systems with common a software tool
High capacity syslog data collection, filtering, and management.
Xymon monitors your hosts, your network services, and everything else.
Cisco switch port mapper
Enterprise-class, distributed monitoring solution for networks & apps
Snare Enterprise: bit.ly/Snare-Trial
Pinger alert, STATICTICAL TABLES, send EMAILs or SMS by SMS GATEWAY
Scalable, distributed monitoring system for high-performance computing
port scan on computers from unix or linux console
User Computer and IP Address Tracking