A suite of Monitoring Plugins (formerly known as nagios-plugins)
Self-hosted, lightweight server and website monitoring and O&M tool
The open source post-building layer for agents
Monitor the stability of a Pandas or Spark dataframe
Monitor temperature sensors, fan speed, voltage, load & clock speeds
Real-time monitoring for Proxmox, Docker, and Kubernetes
Floating window used to display current network speed, CPU & memory
Disk Inspection and Monitoring
Monitor temperature sensors, fan speeds, voltages, load & clock speeds
Scouter is open source APM (Application Performance Management) tool
Open source monitoring system and time series database
Lightweight network IP scanner
A Python based monitoring and tracking tool for Plex Media Server
Cross-platform lib for process and system monitoring in Python
The Open Source Security Platform
Vitals — Hardware Monitor with In-Game Overlay
GRBL controller application with G-Code visualizer written in Qt
An eye on your system
Turn WiFi signals into real-time human sensing and spatial awareness.
Bandwidth monitor and rate estimator
VictoriaMetrics: fast, cost-effective monitoring solution
A fancy self-hosted monitoring tool
The core of our monitoring platform
An improved implementation of the Ralph Wiggum technique
The Network UPS Tools repository