Automation and integrations
Cronitor alternatives
2 open-source projects that already do this job. Free to use - not free to run, which is what the numbers on the right are for.
The projects
louislam/uptime-kuma★89,925 GitHub starsMIT licenceSelf-hosted monitoring with heartbeat endpoints, checks, alerts, and a public status page.Open on GitHub ↗TwiN/gatus★11,734 GitHub starsApache-2.0 licenceAutomated status page and monitor service that runs health checks and sends alerts.Open on GitHub ↗
What you give up either way
- Globally distributed probe infrastructure and fastest check frequencies
- Synthetic browser checks and advanced RUM features
- Built-in long-term retention tiers, volume discounts, and enterprise SLA/support
- Native premium integrations and on-demand SMS/pager services
An open-source project doing the core job proves a replacement is possible. It does not prove it matches Cronitor, and it does not prove anyone has run it for a month. How we decide.