The Active Monitoring System
The Network UPS Tools repository
An eye on your system
Scapy is a Python-based interactive packet manipulation program
Vendor-neutral programmable observability pipelines
Free and Open Source network access control (NAC) solution
Light-weight system monitor for X
Self-hosted, lightweight server and website monitoring and O&M tool
Official Zabbix Dockerfiles
Apache HertzBeat(incubating) is a real-time monitoring system
Monitorix is a free, open source, lightweight system monitoring tool
A golang implementation of endlessh exporting Prometheus metrics
Database connection pool written in Java
Monitor and troubleshoot transactions in complex distributed systems
Application Performance Monitoring System
Docker hosts and containers monitoring with Prometheus, Grafana, etc.
Firewall log analyzer
VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
Open Source Monitoring System for performance and availability.
Nagios Open Source network monitoring software - The Standard In ITM
A Java based fault and performance management system
Full-featured enterprise network management tool
ICMP-based network bandwidth measurement tool
Full-Stack Infrastructure Performance Monitoring