Open Source Monitoring System for performance and availability.
free netflow analyzer
Enterprise-class, distributed monitoring solution for networks & apps
PotHead
Open Source SIEM
Visual Network Management System
A SNMP agent for Cacti
network control and reporting
Centreon Hypervisor for multiple Nagios Poller via FTP
Show server load-average chart and run pre-define command remotely
MAG Server stands for Monitor And Graphing Server. [VM Appliance]