Best Open Source Alternatives to Uptime Robot

Compare the best free and open-source alternatives to Uptime Robot — self-hosted and desktop replacements you fully control, ranked by GitHub stars, license and platform support.

Curated by open-source.store · Updated August 2026 · 3 alternatives

Uptime Robot

Proprietary SaaS

PricingFreemium

Platformsweb, mobile

WebsiteVisit site

Uptime Robot alternatives compared

Open-source alternatives to Uptime Robot, compared by stars, license and platform
Tool		License	Platforms	Self-hosted
Uptime Kuma	89,704	MIT	LinuxDocker	Yes	Aug 2026	Visit
Upptime	17,107	MIT	Web	No	Aug 2026	Visit
Gatus	11,673	Apache-2.0	LinuxDocker	Yes	Jul 2026	Visit

Top open-source Uptime Robot alternatives

Uptime Kuma89,704MIT

Fancy self-hosted monitoring tool.

LinuxDocker

vs Uptime Robot: a free, open-source option you fully control, licensed MIT.

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Upptime17,107MIT

GitHub-powered uptime monitor and status page.

Web

vs Uptime Robot: a free, open-source option you fully control, licensed MIT.

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Gatus11,673Apache-2.0

Developer-oriented service health dashboard.

LinuxDocker

vs Uptime Robot: a free, open-source option you fully control, licensed Apache-2.0.

Visit Details