Best Self-hosted Uptime Monitoring Tools in 2026

Uptime Kuma

Self-hosted monitoring tool for websites and services

Stars
86,078
Forks
7,754
Last commit
10 hours ago

A user-friendly, open-source uptime monitoring solution for tracking website and service availability

Open Source Alternative to:

Opsgenie

Cachet

Professional status page system for transparent downtime communication

Stars
15,020
Forks
1,613
Last commit
1 day ago

Open-source status page platform that helps organizations communicate system status and incidents effectively with customizable components and metrics tracking

Open Source Alternative to:

UptimeRobot

Checkmate

Beautiful open-source monitoring for modern infrastructure

Stars
9,714
Forks
1,093
Last commit
10 hours ago

Monitor servers, websites, Docker containers, and infrastructure with real-time insights, instant alerts, and powerful analytics. Self-hosted solution.

Open Source Alternative to:

UptimeRobot

Gatus

Advanced automated status page for real-time monitoring

Stars
10,808
Forks
728
Last commit
14 hours ago

A highly customizable monitoring solution that provides automated status pages, extensive alerting options, and detailed testing capabilities for your services and infrastructure

Open Source Alternative to:

Opsgenie

OneUptime

Comprehensive monitoring and incident management platform

Stars
6,912
Forks
374
Last commit
10 hours ago

All-in-one solution for uptime monitoring, incident management, and status pages to keep your services running smoothly

Open Source Alternative to:

Opsgenie

Kener

Modern Node.js status page for seamless incident management

Stars
4,902
Forks
269
Last commit
22 days ago

Kener is an open-source status page tool that simplifies service monitoring and incident communication with a sleek interface and GitHub integration.

Open Source Alternative to:

Opsgenie

Peekaping

Self-hosted uptime monitoring you own and control

Stars
1,094
Forks
57
Last commit
21 days ago

Open-source uptime monitoring solution with real-time alerts, status pages, and comprehensive checks for websites, APIs, databases, and services.

Open Source Alternative to:

Opsgenie

StatusScout

Complete website health monitoring and security scanning

Stars
12
Forks
2
Last commit
5 months ago

Monitor website uptime, detect security vulnerabilities, find broken links, and simulate user flows. Get instant alerts when issues arise. Free tier available.

Open Source Alternative to:

Opsgenie

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Uptime Kuma

Self-hosted monitoring tool for websites and services

Stars
86,078
Forks
7,754
Last commit
10 hours ago

A user-friendly, open-source uptime monitoring solution for tracking website and service availability

Open Source Alternative to:

Opsgenie

Cachet

Professional status page system for transparent downtime communication

Stars
15,020
Forks
1,613
Last commit
1 day ago

Open-source status page platform that helps organizations communicate system status and incidents effectively with customizable components and metrics tracking

Open Source Alternative to:

UptimeRobot

Checkmate

Beautiful open-source monitoring for modern infrastructure

Stars
9,714
Forks
1,093
Last commit
10 hours ago

Monitor servers, websites, Docker containers, and infrastructure with real-time insights, instant alerts, and powerful analytics. Self-hosted solution.

Open Source Alternative to:

UptimeRobot

Gatus

Advanced automated status page for real-time monitoring

Stars
10,808
Forks
728
Last commit
14 hours ago

A highly customizable monitoring solution that provides automated status pages, extensive alerting options, and detailed testing capabilities for your services and infrastructure

Open Source Alternative to:

Opsgenie

OneUptime

Comprehensive monitoring and incident management platform

Stars
6,912
Forks
374
Last commit
10 hours ago

All-in-one solution for uptime monitoring, incident management, and status pages to keep your services running smoothly

Open Source Alternative to:

Opsgenie

Kener

Modern Node.js status page for seamless incident management

Stars
4,902
Forks
269
Last commit
22 days ago

Kener is an open-source status page tool that simplifies service monitoring and incident communication with a sleek interface and GitHub integration.

Open Source Alternative to:

Opsgenie

Peekaping

Self-hosted uptime monitoring you own and control

Stars
1,094
Forks
57
Last commit
21 days ago

Open-source uptime monitoring solution with real-time alerts, status pages, and comprehensive checks for websites, APIs, databases, and services.

Open Source Alternative to:

Opsgenie

StatusScout

Complete website health monitoring and security scanning

Stars
12
Forks
2
Last commit
5 months ago

Monitor website uptime, detect security vulnerabilities, find broken links, and simulate user flows. Get instant alerts when issues arise. Free tier available.

Open Source Alternative to:

Opsgenie

Self-hosted Uptime Monitoring Tools

A curated collection of the best self-hosted tools for checking the availability and response time of services.