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Healthchecks.io
Cron-job heartbeat monitoring — open-source with hosted free tier and self-host option.
Free tier: 20 checks
What it does well
- Specializes in one thing: cron job and background task heartbeat monitoring.
- Offers a generous free tier with 20 checks on its hosted service.
- Fully open-source, allowing for self-hosting and complete data control.
Where it falls short
- Does not perform standard uptime monitoring; it only listens for incoming pings.
- The free tier has a 1-day log retention limit, obscuring historical performance.
- Lacks advanced features like performance metrics or root cause analysis tools.
Alternatives to Healthchecks.io
Uptime Kuma
freeSelf-hosted open-source uptime monitor with status pages — Docker one-liner deploy.
Lighthouse CI
freeGoogle's open-source Lighthouse audits in CI — track Core Web Vitals on every deploy.
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.