Best Self-Hosted Alternatives to UptimeRobot
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UptimeRobot costs about $84/year and keeps your data on its servers. These researched, open-source alternatives give you the same workflow on hardware you own — here's what each needs to run.
UptimeRobot / yr$84
Self-hosted / yr~$48
You keep$36/yr
The alternatives
Common questions
Are these UptimeRobot alternatives really free?
The software is open-source and free to run. Your only cost is the server it runs on — often a few dollars a month, less than most SaaS subscriptions.
How much server do I need to self-host one?
Most of these run comfortably on a small VPS — 1–2 GB of RAM is enough for a single-user or small-team setup. Each app's page lists its minimum RAM.
Will I lose features by leaving UptimeRobot?
It depends on the app. The alternatives below cover the core workflow; polish and integrations vary, so check each one's stack and difficulty before you commit.