Open Source Alternatives to UptimeRobot
A website and service monitoring platform that checks uptime, SSL certificates, ports, and scheduled jobs, sending real-time alerts via email, SMS, voice, or mobile app, and provides public status pages.
Whether you want to cut software costs or escape vendor lock-in, these open source alternatives to UptimeRobot give you an option you fully own. You can self-host them, so your data stays on infrastructure you control. This page lists 5 open source alternatives to UptimeRobot. The most popular are Uptime Kuma, Gatus and Checkmate. Most use the MIT or AGPL-3.0 license, and 5 offer an official Docker image.
Uptime Kuma
Monitors websites, APIs, and services with real-time alerts, status pages, and support for numerous notification channels.
Gatus
Monitor service health using HTTP, ICMP, TCP, and DNS queries with automated alerting and status pages.
Checkmate
Monitor server hardware, website uptime, and response times with real-time alerts and public status pages.
Peekaping
A self-hosted uptime monitoring system with API-first architecture for tracking websites, APIs, and database services.
Statusnook
A self-hosted status page system for monitoring endpoints and communicating incident tracking and maintenance updates to users.
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