Best Self-hosted Monitoring & Observability tools in 2026

Real-time monitoring dashboard for Proxmox, Docker/Podman, and Kubernetes with smart alerts, agent auto-discovery, metrics history, and optional AI insights.

MITActively maintained

Alternative to:

Datadog Cloud Monitoring+12

Self-hosted web app for Plex Media Server monitoring, viewing playback analytics, user history, and sending customizable notifications and newsletters.

GPL-3.0Actively maintained

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Tautulli

Zabbix is an open-source monitoring and observability platform for networks, servers, VMs, applications, and cloud infrastructure, with alerting and dashboards.

AGPL-3.0Actively maintained

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Datadog Cloud Monitoring+17

Laravel-based app that schedules Ookla Speedtest checks, records download/upload/ping/packet-loss metrics, visualizes historical performance, and sends alerts.

MITActively maintained

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Speedtest by Ookla+3

Open-source Node.js distributed task scheduler with web UI, real-time logs, multi-server failover, REST API and plugin support for arbitrary scripts.

Actively maintained

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Control-M (BMC)+6

Scanopy scans networks to discover hosts and services, then generates live, interactive topology diagrams and auto-updating network documentation.

AGPL-3.0Actively maintained

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Device42+10

A general-purpose HTTP reverse proxy and forwarding tool for homelabs, offering web UI, ACME/TLS, stream proxy, plugins and realtime monitoring.

AGPL-3.0Actively maintained

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ngrok+16

Self-hosted status page system with built-in monitoring, incident tracking, and customizable public status pages for websites and APIs.

MITActively maintained

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Atlassian Statuspage+19

Nexterm is an open-source server management platform providing SSH, VNC and RDP access, SFTP file management, Docker deployment, Proxmox integration, monitoring and SSO.

MITActively maintained

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TeamViewer+11

Portable, file-backed workflow orchestrator that defines DAGs in declarative YAML, runs anywhere as a single binary, and includes a modern Web UI for monitoring and control.

GPL-3.0Actively maintained

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Prefect Cloud+10

OpenSpeedTest is an open-source HTML5 speed test that runs in any modern browser to measure download, upload, ping, and jitter, with optional self-hosted servers.

MITActively maintained

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Speedtest by Ookla+3

WUD (What’s Up Docker?) monitors your running Docker containers and notifies you when newer images are available, helping keep deployments up to date.

Dashdot is a modern server dashboard built with React and Node.js for real-time server monitoring on self-hosted systems.

MITActively maintained

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Datadog Cloud Monitoring+13

Self-hosted Linux patch monitoring platform with inventory, updates, and an API-driven workflow.

AGPL-3.0Actively maintained

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ManageEngine Endpoint Central+5

Kite is a modern Kubernetes dashboard for multi-cluster management, resource operations, and Prometheus-powered monitoring with logs, terminal access, and live YAML editing.

Apache-2.0Actively maintained

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Portainer Business Edition (Portainer Cloud)+4

Self-hosted insight hub combining privacy-focused web analytics, uptime monitoring, and server/server-docker status with an API for integrations.

Apache-2.0Actively maintained

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Google Analytics+19

Self-hosted speed test analysis tool that automates tests, stores results up to 30 days, and provides dashboards, health checks, and multi-server support.

MITActively maintained

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Speedtest by Ookla+8

Self-hosted monitoring for servers, services, SSL, incidents and status pages; React frontend with a Go backend and embedded SQLite data store.

MITActively maintained

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Datadog Cloud Monitoring+16

Open-source static status page for publishing incidents and service status, built with Hugo for fast builds, easy customization, and optional CMS editing.

MITActively maintained

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Atlassian Statuspage+6

Self-hosted web application to track and manage 3D-printing filament spools with a REST API, WebSocket updates, label/QR printing and integrations for common printer frontends.

MITActively maintained

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SimplyPrint+6

Real-time monitoring platform for Plex, Jellyfin, and Emby with session tracking, playback analytics, stream maps, alerts, and account-sharing detection rules.

AGPL-3.0Actively maintained

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Tautulli+1

Automates cleanup of stuck, stalled, or malicious downloads in Sonarr/Radarr and supported torrent clients, with blocking rules and optional re-search.

Self-hosted statistics app for Jellyfin, providing session monitoring, watch history, and user/library analytics with backup and autosync support.

MITActively maintained

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Tautulli+2

Parseable ingests, analyzes, and extracts insights from MELT telemetry data with predictive analytics and a unified SQL/NL querying interface.

AGPL-3.0Actively maintained

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Datadog+15

Self-hosted tool that auto-discovers system and container ports, maps services in real time, and helps prevent port conflicts across servers via a web dashboard.

MITActively maintained

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Device42+9

Lightweight single-binary log viewer that streams logs to a local web UI with real-time filtering, search, and TypeScript-based parsing for structured and text logs.

Apache-2.0Slowing down

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Papertrail+3

Self-hosted error tracking for developers with full stack traces, local variables, and drop-in compatibility with Sentry SDKs for many languages and frameworks.

Actively maintained

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Sentry+5

ARA records Ansible playbook runs and provides searchable reports via a CLI, REST API, and local-first web interface to troubleshoot and understand automation results.

GPL-3.0Actively maintained

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Datadog Log Management+5

Carrier-grade SIP/VoIP/WebRTC packet capture and monitoring platform with real-time search, correlation, and troubleshooting workflows using the HEP/EEP protocol.

Actively maintained

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ThousandEyes VoIP Monitoring+3

Open source status page and monitoring server for HTTP, TCP, UDP, ICMP and gRPC checks, with dashboards, alerts, and a REST API.

GPL-3.0Slowing down

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Atlassian Statuspage+17