Open Source Monitoring Tools
Discover 52 open source Monitoring repositories from GitHub, each with an analysis of what it does, key features, use cases and alternatives. Monitoring projects here are most often combined with Self Hosted, Observability and Docker. Last updated October 4, 2026.
52 repositories · updated October 4, 2026
logmerger: Browse Multiple Logs on a Shared Timeline
logmerger combines timestamped log files into one chronological view, with an interactive terminal browser and options to export merged output. It is useful for tracing events across services or files when their timestamps use supported formats.
systeminformer: Monitor Windows Activity and Debug Processes
System Informer is a Windows utility for monitoring system resources, inspecting processes, debugging software, and investigating malware. It suits administrators and developers who need detailed, real-time visibility into system activity.
traccar: Track GPS Devices and Vehicles
Traccar is a Java-based GPS tracking server for vehicles, assets, and people. Self-host it to manage device locations, alerts, and reports, or use its REST API to integrate tracking with other systems.
Checkmate: Monitor Uptime and Server Infrastructure
Checkmate is a self-hosted monitoring application for website availability, response times, incidents, and server health. It suits operators who want a visual monitoring dashboard and control over their monitoring data.