Nelmon is a collection of plugins for Nagios and compatible products
Monitoring of websites with spider and email notifications
Monitor your GNU/Linux server with your smartphone
FreeDNS update python script
OSPF network discovery script via SNMP.
Network performance monitoring and logging script for Cisco devices.
Monitor SNMP hosts with a sysfs-like filesystem in user-space
Is your host up or down?
...has moved to packetpeeper.org
Batch system monitoring and archiving
A free SYSLOG Client
Panel Indicator to interact and monitor hosts
Automated Bitcoin mining monitor and up-time enforcer
Stormons is a powerful SAN mapping and monitoring program
School assignment for a simple network traffic analyzer