Nagios Open Source network monitoring software - The Standard In ITM
Xymon monitors your hosts, your network services, and everything else.
Pure Java Network Tools
Enterprise-class, distributed monitoring solution for networks & apps
Monitorix is a system monitoring tool
Continuously monitor server connections
Pinger alert, STATICTICAL TABLES, send EMAILs or SMS by SMS GATEWAY
MySQL Replication Monitor (written in PHP)
Software, Server and Application Monitor
SSH Java client GUI for Unix, Linux administration and monitoring
Tools to help you control IT systems and escape their control over you
nagios-statd patch for use with python >= 2.6
MAG Server stands for Monitor And Graphing Server. [VM Appliance]