Open Source Monitoring System for performance and availability.
Nagios Open Source network monitoring software - The Standard In ITM
Firewall log analyzer
Snare Enterprise: bit.ly/Snare-Trial
Prevent and Protect Your HTML5 Video, Music , Audio From Download Free
Scalable, distributed monitoring system for high-performance computing
Visual Network Management System
Urban Terror Server Monitoring Program
Collects data about network useage using libpcap.
DOS Attack Tool