Open Source Monitoring System for performance and availability.
Manage and interpret IPMI systems with common a software tool
Intelligently block brute-force attacks by aggregating system logs
Nagios Open Source network monitoring software - The Standard In ITM
Graphical network monitoring and documentation tool
Full-featured enterprise network management tool
Performance Data collector for Monitoring.
Pure Java Network Tools
Harvy is an enterprise-class, telco friendly trouble ticketing system
Xymon monitors your hosts, your network services, and everything else.
Enterprise-class, distributed monitoring solution for networks & apps