Powerful, open-source network protocol analyzer
Full-Stack Infrastructure Performance Monitoring
terminal based packet sniffer
Monitoring and reporting web gui for Bacula
sap_mon, a tiny sap base monitoring tool on linux
Zenoss - Intelligent IT Operations Management
A network tool to control the bandwidth over your local network
An application to track your PC in realtime
Design Update from Xymon 4.3.30 (graphics, CSS etc.)
Snare Enterprise: bit.ly/Snare-Trial
A modern graphical SSH client
NetFlow iptables module for Linux kernel
Standalone web application allowing to monitor end points availability
Brute-forcing WAN/LAN services
Webbased Dashboard to show the status of your IT infrastructure