SNMP Exporter for Prometheus
High performance ping tool
Xymon monitors your hosts, your network services, and everything else.
SQL operating system instrumentation and monitoring framework
Scapy is a Python-based interactive packet manipulation program
Lightweight network IP scanner
Open Source SIEM
A full packet capturing, indexing, and database system
Light-weight system monitor for X
Monitor and troubleshoot transactions in complex distributed systems
Provides situational awareness of Industrial Control Systems (ICS)
An eye on your system
A fancy self-hosted monitoring tool
A Java based fault and performance management system
Graphical network monitoring and documentation tool
netflow collecting and processing tools
Full-featured enterprise network management tool
Enhanced Apache Server Status page - for one or multiple servers
A utility to safely generate malicious network traffic patterns
Zeek is a powerful network analysis framework