Monitor SNMP hosts with a sysfs-like filesystem in user-space
Batch system monitoring and archiving
Panel Indicator to interact and monitor hosts
Automated Bitcoin mining monitor and up-time enforcer
School assignment for a simple network traffic analyzer
Bandwidth Monitoring Tool; Console SNMP traffic monitor
Tool for identifying Network Service Dependencies
Detect Flooder IPs, Reduce Attack Surface against HTTP Flood Attacks
Monitoring your infrastructure for free.
SpiderOak Nagios check
nagios-statd patch for use with python >= 2.6
Open Source System and Network Monitoring for Linux Desktop