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 temperature sensors, fan speed, voltage, load & clock speeds
An open source recommender system service written in Go
A comprehensive quantitative trading system with AI-powered analysis
The Active Monitoring System
Disk Inspection and Monitoring
Scouter is open source APM (Application Performance Management) tool
Free open source tool for real-time PC hardware sensor monitoring
A distributed and high-performance monitoring system
Open source monitoring system and time series database
Lightweight network IP scanner
Xray panel supporting multi-protocol multi-user expire day
Open-source systems performance monitor
An eye on your system
Apache HertzBeat(incubating) is a real-time monitoring system
pg_activity is a top like application for PostgreSQL server activity
Visibility into servers, applications, and infrastructure
An interactive NVIDIA-GPU process viewer and beyond
BGP and RPKI monitoring tool
Real-time monitoring for Proxmox, Docker, and Kubernetes
A Python based monitoring and tracking tool for Plex Media Server
Status page with uptime monitoring & API monitoring as code
Application Performance Monitoring System