Open Source Monitoring System for performance and availability.
Storage, SAN, LAN Performance Monitoring: IBM,NetApp,Hitachi,HPE,EMC
A network security analysis and monitoring toolkit Linux distribution.
Full-featured enterprise network management tool
This is now also available here github.com/sharkcz/collectl.git
Monitorix is a system monitoring tool
Scalable, distributed monitoring system for high-performance computing
User Computer and IP Address Tracking
simple XEN guests / cloud management console shell
Web based management tool for unixes
MAG Server stands for Monitor And Graphing Server. [VM Appliance]
Some Plugins for Nagios and Icinga