Best Self-hosted Monitoring & Observability tools in 2026
103 self-hosted open source alternatives in this category
See also:
Backup & RecoveryCompute & Virtualization (VM/Hypervisor Management)Container Management (Docker & Stacks)Core Network Services (DNS, DHCP, IPAM)Edge & Traffic (Reverse Proxy, Load Balancing, Web Servers)Messaging & Event Streaming (Brokers/Queues)Orchestration & Scheduling (Kubernetes & Alternatives)Self-Hosting Platforms & Control PanelsStorage Services (File/Object)103 services found

SmokePing
Latency monitoring, graphing, and alerting system
SmokePing is an active network monitoring tool that measures latency and packet loss over time, stores results in RRD, and visualizes them via a web UI with alerting.
LoggiFly
Keyword and regex alerting for Docker container logs
LoggiFly monitors Docker/Podman container logs for keywords or regex patterns and sends alerts via ntfy or Apprise, with optional log attachments and container actions.

Kubetail
Real-time Kubernetes logging dashboard for browser and terminal
Kubetail is a real-time Kubernetes logging dashboard and CLI that merges multi-container workload logs into a single timeline, running on desktop or inside your cluster.

PeaNUT
Web dashboard and API for Network UPS Tools (NUT) monitoring
Tiny self-hosted dashboard to monitor and control UPS devices via Network UPS Tools (NUT), with real-time stats, multi-UPS support, and Prometheus/InfluxDB integrations.

Domain Locker
Domain portfolio tracking, monitoring, and renewal alert dashboard
Self-hostable domain portfolio manager that auto-fetches DNS/WHOIS/SSL data, tracks changes, monitors uptime, and sends configurable renewal and security alerts.


Cup
Fast CLI and web UI for Docker image update checking
Cup is a lightweight Rust tool with a CLI and web UI to check Docker container image updates across registries, designed to avoid exhausting registry rate limits.

Emoncms
Energy and environmental time-series logging and visualization
Open-source web app to collect, process, store, and visualize energy, temperature, and other environmental time-series data with dashboards, graphs, and an API.
Atlas
Network discovery, visualization, and monitoring for hosts and Docker
Atlas is a containerized network infrastructure visualizer that scans subnets and Docker hosts, stores results, and presents real-time graphs and dashboards for monitoring.
CoreControl
Dashboard for managing servers, apps, and uptime monitoring
Self-hosted infrastructure dashboard to inventory servers, organize app quick links, and track availability with built-in uptime history and notifications.
PortNote
Web app for documenting and managing port usage across systems
Self-hosted port inventory to document which services use which ports across servers and VMs, helping prevent conflicts and keep infrastructure organized.

Peekaping
Self-hosted uptime monitoring with alerts and status pages
Open-source, self-hosted uptime monitoring tool for websites, APIs, and infrastructure with notifications, public status pages, and multiple monitor types.

Swetrix
Cookie-less open-source web analytics and performance monitoring
Privacy-first, cookie-less open-source web analytics with session analysis, real-user performance monitoring, error tracking and feature flags. Self-hostable or available as managed cloud.
Squirrel Servers Manager
Agentless server, container, and configuration management UI
Self-hosted, UI-focused tool to manage servers over SSH with Ansible playbooks, Docker container visibility, automations, and Prometheus-backed metrics.


TasmoAdmin
Web UI to manage and update Tasmota-flashed devices
Administrative web interface for managing, monitoring, and updating Tasmota-flashed IoT devices, including device discovery, bulk actions, and OTA firmware updates.

Notifiarr
Notification and monitoring client for Notifiarr integrations
Notifiarr is a unified client that delivers configurable notifications, health checks, and automation for homelab apps like Plex and the *Arr stack via Discord.

Gravity
Replicated DNS, DHCP & TFTP server with ad-blocking
Fully-replicated DNS, DHCP and TFTP server with ad‑blocking, web UI, API, Prometheus metrics and multi-site replication for small to medium networks.

NetGoat
Self-hostable reverse proxy and traffic manager with WAF features
NetGoat is a self-hostable reverse proxy and traffic management platform offering Cloudflare-like features such as TLS termination, rate limiting, WAF-style filtering, and dashboards.
Nutify
Web-based UPS monitoring with dashboards, alerts, and reports
Modern web UI for monitoring NUT-compatible UPS devices with real-time charts, historical reporting, and multi-channel alerts. Docker-ready with client/server modes.

Traefik Log Dashboard
Real-time analytics dashboard for Traefik reverse proxy logs
Real-time dashboard to analyze Traefik logs with GeoIP, status code breakdowns, filters, and multi-agent metrics via a Go agent and web UI.

Lunalytics
Open-source Node.js uptime and service monitoring dashboard
Self-hosted monitoring tool for uptime, TCP/HTTP checks, Docker monitoring, multi-user dashboards, incident management, SSO and alerting integrations.

Argus
Open-source release monitor with alerts and WebHooks.
Monitors GitHub and website releases and notifies via WebHooks and messaging channels.
Kibitzr
Self-hosted web page changes monitor with YAML-driven rules.
A self-hosted service that monitors changes on web pages and notifies you via email or messaging apps using YAML configurations.

Kuvasz
Open-source uptime and SSL monitoring with status pages
Self-hosted uptime and SSL monitoring with status pages, REST API, Prometheus and OpenTelemetry exporters, per-monitor notifications, and YAML-based configuration.

Kuvasz Uptime
Open-source uptime and SSL monitoring with status pages
Self-hosted uptime and SSL monitoring with status pages, REST API, Prometheus/OpenTelemetry exporters, per-monitor notifications, and YAML config.
BunkerM
Web-based management platform for Mosquitto MQTT brokers
Containerized MQTT management solution bundling a Mosquitto broker with a web UI for ACLs, dynamic security, client management, monitoring and cloud bridges.

Operational
Event tracking and alerting platform with push notifications
Open-source event tracker for tech products: ingest key events, send push notifications, run webhook actions, and monitor critical workflows in real time.
Operational
Event tracking and alerting system for critical product events
Open-source event tracker that sends push notifications and real-time alerts, with webhook action buttons, PWA support, and a developer-friendly API and SDKs.
Nimtable
Observability and control plane for Apache Iceberg catalogs
Lightweight web UI and REST control plane for exploring, inspecting, and managing Apache Iceberg catalogs and tables with Docker deployment and engine integrations.
Scraparr
Prometheus exporter for the *arr suite (Sonarr/Radarr/Lidarr)
Lightweight Prometheus exporter that exposes metrics from the *arr suite (Sonarr, Radarr, Lidarr, etc.) for monitoring and Grafana dashboards.


Domain Watchdog
RDAP-based domain monitoring, history tracking, and backordering
Monitor domain names via RDAP, track full lifecycle history, receive alerts, and automatically attempt domain registration when domains enter deletion or become available.
