Light-weight system monitor for X
Open Source Monitoring System for performance and availability.
ICMP-based network bandwidth measurement tool
Manage and interpret IPMI systems with common a software tool
Firewall log analyzer
tcptrace analyzes packet tcp connections and provides analysis
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
Urban Terror Server Monitoring Program
netflow collecting and processing tools