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
Disk Inspection and Monitoring
The Active Monitoring System
Turn WiFi signals into real-time human sensing and spatial awareness.
Status page with uptime monitoring & API monitoring as code
Lightweight network IP scanner
The open source time series database
Visibility into servers, applications, and infrastructure
An eye on your system
The Network UPS Tools repository
The Open Source Security Platform
Scouter is open source APM (Application Performance Management) tool
Apache HertzBeat(incubating) is a real-time monitoring system
Cross-platform lib for process and system monitoring in Python
A fancy self-hosted monitoring tool
GRBL controller application with G-Code visualizer written in Qt
An interactive NVIDIA-GPU process viewer and beyond
A Python based monitoring and tracking tool for Plex Media Server
Real-time monitoring for Proxmox, Docker, and Kubernetes
Community-based GPL-licensed network monitoring system