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Uptime Kuma
Self-hosted open-source uptime monitor with status pages — Docker one-liner deploy.
What it does well
- Completely free and open-source with no paid tiers or feature gates.
- Extremely simple to deploy, often with a single Docker command-line instruction.
- Supports a wide range of notification integrations, over 90 out-of-the-box.
Where it falls short
- Self-hosted only, with no official managed cloud version available.
- Monitoring is limited to the perspective of the host server's network.
- Reliability is dependent on the user's own infrastructure and setup.
Alternatives to Uptime Kuma
UptimeRobot
freemiumMost popular free uptime monitor — 50 free monitors at 5-min intervals.
Statping-ng
freeSelf-hosted uptime + status page combo — Go binary, sqlite/postgres, lightweight.
Gatus
freeDeveloper-focused open-source health dashboard — YAML-driven, zero-cost self-host.
StatusCake
freemiumLong-running freemium uptime tool — uptime + SSL + domain expiry in one dashboard.