Best Self-hosted Monitoring & Observability tools in 2026

103 self-hosted open source alternatives in this category

103 services found

Uptime Kuma

Uptime Kuma

Self-hosted uptime monitoring with alerts and status pages

83.3k
7.4k
Last commit: 12h ago

Uptime Kuma is a self-hosted uptime monitoring tool for HTTP(S), TCP, ping, DNS and more, with notifications, charts, and public status pages.

Alternative to:
UptimeRobot
UptimeRobot
+15
Netdata

Netdata

Real-time, per‑second full‑stack monitoring and observability

77.9k
6.4k
Last commit: 8h ago

Open-source, agent-based monitoring platform delivering per-second metrics, edge ML anomaly detection, tiered time-series storage and centralized cloud UI.

Alternative to:
Datadog Cloud Monitoring
Datadog Cloud Monitoring
+16
Grafana

Grafana

Observability dashboards and alerting for metrics, logs, and traces

72.4k
13.5k
Last commit: 7h ago

Grafana is an open source observability and data visualization platform for querying, graphing, and alerting on metrics, logs, and traces across many data sources.

Alternative to:
Grafana Cloud
Grafana Cloud
+19
Prometheus

Prometheus

Monitoring system and time-series database for metrics and alerting

62.9k
10.2k
Last commit: 9h ago

Prometheus is an open-source monitoring and time-series database for collecting metrics, querying with PromQL, and alerting on system and application health.

Alternative to:
Datadog Cloud Monitoring
Datadog Cloud Monitoring
+17
Sentry

Sentry

Error tracking and application performance monitoring platform

43.2k
4.6k
Last commit: 7h ago

Sentry is a developer-focused platform for error tracking, performance monitoring, and tracing to help teams detect, investigate, and fix issues faster.

Alternative to:
Bugsnag
Bugsnag
+14
Glance

Glance

Self-hosted, configurable dashboard for feeds and status widgets

32.2k
1.2k
Last commit: 2mo ago

Glance is a lightweight self-hosted dashboard that aggregates RSS and other widgets (Reddit, YouTube, weather, markets, server stats) into customizable pages.

Alternative to:
Start.me
Start.me
+12
Web-Check

Web-Check

All-in-one OSINT tool for analyzing any website.

32.1k
2.5k
Last commit: 25d ago

Comprehensive on-demand OSINT to analyze a website's security, architecture, and tech stack.

Alternative to:
Shodan
Shodan
+8
Glances

Glances

Cross-platform system monitoring tool with TUI, Web UI, and APIs

31.8k
1.7k
Last commit: 15h ago

Glances is a cross-platform system monitoring tool providing a terminal dashboard, web UI, and REST/XML-RPC APIs for local or remote monitoring and exporting metrics.

Alternative to:
Netdata Cloud
Netdata Cloud
+11
InfluxDB

InfluxDB

Time-series database for metrics, events, and real-time analytics

31.3k
3.7k
Last commit: 22h ago

InfluxDB is an open source time-series database for high-ingest metrics and event data, enabling fast queries for monitoring, dashboards, and real-time analytics.

Alternative to:
InfluxDB Cloud
InfluxDB Cloud
+5
Dokploy

Dokploy

Self-hosted PaaS to deploy and manage containerized apps and databases.

30.9k
2.1k
Last commit: 16h ago

Open-source self-hostable PaaS for deploying containerized applications and managing databases with Docker Compose, Traefik, monitoring, and backups.

Alternative to:
Vercel
Vercel
+9
Grafana Loki

Grafana Loki

Horizontally scalable, multi-tenant log aggregation system

27.7k
3.9k
Last commit: 7h ago

Grafana Loki is a Prometheus-inspired log aggregation system that indexes labels (not log contents) for cost-effective storage and fast querying, with Grafana integration...

Alternative to:
Datadog Log Management
Datadog Log Management
+19
SigNoz

SigNoz

Open-source unified observability platform for logs, metrics, and traces.

25.9k
2k
Last commit: 8h ago

SigNoz is an open-source platform that collects and correlates logs, metrics, and traces using OpenTelemetry for unified observability.

Alternative to:
Datadog
Datadog
+19
Vector

Vector

High-performance observability data pipeline written in Rust

21.4k
2k
Last commit: 8h ago

Open-source observability pipeline to collect, transform, and route logs and metrics with a single, high-performance binary and programmable transforms.

Alternative to:
Elastic Logstash
Elastic Logstash
+13
GoAccess

GoAccess

Real-time web log analyzer with terminal and web dashboards

20.3k
1.2k
Last commit: 4d ago

GoAccess is a real-time web log analyzer that turns server access logs into interactive terminal (TUI) or browser-based dashboards, plus HTML/JSON/CSV reports.

Alternative to:
Google Analytics
Google Analytics
+6
Beszel

Beszel

Lightweight server monitoring hub with Docker stats and alerts

19.6k
641
Last commit: 1d ago

Beszel is a lightweight server monitoring platform with historical metrics, Docker/Podman container stats, configurable alerts, multi-user access, and an API.

Alternative to:
Datadog Cloud Monitoring
Datadog Cloud Monitoring
+9
cAdvisor

cAdvisor

Container resource usage and performance monitoring daemon

18.9k
2.5k
Last commit: 7d ago

cAdvisor (Container Advisor) collects, processes, and exports resource usage and performance metrics for running containers, with a built-in web UI and REST API.

Alternative to:
Datadog Cloud Monitoring
Datadog Cloud Monitoring
+8
VictoriaMetrics

VictoriaMetrics

High-performance time series database for monitoring and observability

16.4k
1.6k
Last commit: 10h ago

Fast, resource-efficient time series database compatible with Prometheus and Grafana, for scalable monitoring and long-term metrics storage.

Alternative to:
Grafana Cloud
Grafana Cloud
+9
LibreSpeed

LibreSpeed

Open-source, self-hosted HTML5 speed test (download, upload, ping, jitter)

14.3k
2.4k
Last commit: 2d ago

LibreSpeed is a lightweight, open-source, self-hosted internet speed test implemented in JavaScript. It measures download, upload, ping and jitter and supports PHP/Node b...

Alternative to:
Speedtest by Ookla
Speedtest by Ookla
+3
Dozzle

Dozzle

Real-time web log viewer for container workloads

11.8k
498
Last commit: 1d ago

Lightweight web-based real-time log viewer for Docker containers, with support for Docker Swarm and Kubernetes, plus search, split view, and optional authentication.

Alternative to:
Papertrail
Papertrail
+9
Termix

Termix

Web-based SSH server management with tunneling and file editing

11.1k
446
Last commit: 8d ago

Self-hosted server management platform with web SSH terminal, SSH tunneling, remote file manager/editor, Docker controls, monitoring, and RBAC with OIDC and 2FA.

Alternative to:
Termius
Termius
+4
Gatus

Gatus

Developer-oriented status page with health checks and alerting

10.2k
671
Last commit: 19h ago

Self-hosted status page and uptime monitoring tool with configurable health checks, dashboards, metrics, and alerting for HTTP, TCP, ICMP, and DNS endpoints.

Alternative to:
UptimeRobot
UptimeRobot
+19
Healthchecks

Healthchecks

Cron job and scheduled task monitoring with alerts and dashboards

9.9k
942
Last commit: 6d ago

Open-source service that monitors cron jobs and scheduled tasks via HTTP/email pings, providing a dashboard, alerts, badges and many notification integrations.

Alternative to:
Healthchecks.io
Healthchecks.io
+2
Checkmate

Checkmate

Open-source uptime and infrastructure monitoring platform

9.3k
671
Last commit: 1d ago

Self-hosted monitoring for websites and servers with uptime checks, response-time metrics, incidents, and status pages, plus optional agent-based hardware monitoring.

Alternative to:
UptimeRobot
UptimeRobot
+16
Graylog

Graylog

Centralized log management and analysis platform

8k
1.1k
Last commit: 8h ago

Graylog is an open source platform for collecting, indexing, searching, and alerting on logs and machine data from many sources in one place.

Alternative to:
Graylog Cloud
Graylog Cloud
+11
Scrutiny

Scrutiny

Web UI for SMART monitoring of hard drives

7.4k
255
Last commit: 3d ago

Self-hosted S.M.A.R.T monitoring dashboard that collects SMART data, visualizes historical trends, and alerts on drive health.

Alternative to:
Hard Disk Sentinel
Hard Disk Sentinel
+11
Traccar

Traccar

Open-source GPS tracking server with real-time device management

7k
3.1k
Last commit: 9h ago

Open-source GPS tracking platform supporting 200+ device protocols, real-time tracking, alerts, reports, REST API and web/mobile apps for fleet and asset monitoring.

Alternative to:
Wialon
Wialon
+8
WatchYourLAN

WatchYourLAN

Lightweight LAN IP scanner with web UI, alerts, and metrics export

6.8k
235
Last commit: 5mo ago

Self-hosted lightweight LAN IP/ARP scanner with web dashboard, new-host notifications, online/offline history, and metrics export to Prometheus or InfluxDB for Grafana.

Alternative to:
Fing
Fing
+9
OneUptime

OneUptime

Open-source monitoring, incident management, and observability platform

6.5k
323
Last commit: 12h ago

Self-hostable observability platform for uptime monitoring, alerting, incident management, on-call, status pages, logs, and APM in one integrated suite.

Alternative to:
OneUptime
OneUptime
+19
Tautulli

Tautulli

Monitoring, analytics, and notifications for Plex Media Server

6.4k
621
Last commit: 10d ago

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

Alternative to:
Tautulli
Tautulli
MeshCentral

MeshCentral

Open-source web-based remote device management and remote desktop server

6.2k
813
Last commit: 20h ago

Self-hosted Node.js server for remote monitoring, web-based remote desktop, terminal, file access and multi-DB device management.

Alternative to:
TeamViewer
TeamViewer
+14