A suite of Monitoring Plugins (formerly known as nagios-plugins)
The Network UPS Tools repository
Self-hosted, lightweight server and website monitoring and O&M tool
A utility to safely generate malicious network traffic patterns
Floating window used to display current network speed, CPU & memory
Lightweight network IP scanner
The Active Monitoring System
Monitor temperature sensors, fan speed, voltage, load & clock speeds
BGP and RPKI monitoring tool
Apache HertzBeat(incubating) is a real-time monitoring system
Open source monitoring system and time series database
A full packet capturing, indexing, and database system
An open source, real-time monitoring system with custom-monitoring
Application to comfortably monitor your Internet traffic
Community-based GPL-licensed network monitoring system
The open source time series database
pg_activity is a top like application for PostgreSQL server activity
eBPF-based Cloud Native Monitoring Tool
A fancy self-hosted monitoring tool
Enterprise-Grade Open-Source Network Management Platform
An eye on your system
Raspberry Pi config for all things Internet
The core of our monitoring platform
Zeek is a powerful network analysis framework
A simple program to monitor your network/data usage