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
Disk Inspection and Monitoring
Monitor temperature sensors, fan speeds, voltages, load & clock speeds
The Active Monitoring System
Scouter is open source APM (Application Performance Management) tool
Open source monitoring system and time series database
Lightweight network IP scanner
The open source time series database
Cross-platform lib for process and system monitoring in Python
A Python based monitoring and tracking tool for Plex Media Server
The Open Source Security Platform
BGP and RPKI monitoring tool
Bandwidth monitor and rate estimator
An eye on your system
The core of our monitoring platform
GRBL controller application with G-Code visualizer written in Qt
A fancy self-hosted monitoring tool
Turn WiFi signals into real-time human sensing and spatial awareness.
Xray panel supporting multi-protocol multi-user expire day
sp_whoisactive