Can I open-source Cronitor?
YES · mature open-source replacementYes. Uptime Kuma (87k stars), Healthchecks (10k stars) are mature open-source replacements for Cronitor — self-host with docker and stop paying $10/mo.
xtheir status pages and team features
xalert routing (SMS, PagerDuty)
xcron expression insights
These projects already replace it, free.
UUptime KumaPush monitors and ordinary uptime checks under one very cheerful roof.open source↗HHealthchecksCron phones home; this notices when it stops.open source↗What each one is, in full: Uptime Kuma · Healthchecks
no votes, no pay-to-list · just what's real
Can I open-source Cronitor?
Yes. Uptime Kuma replaces Cronitor today — self-host it on your own server or machine with no subscription. The full list of open-source alternatives is on this page.
How much does Cronitor cost?
Cronitor costs about $10/month (paid plan, checked 2026-07-29), which is $120 per year. That's what you save by replacing it with open source.
What do I lose by replacing Cronitor?
Honestly: their status pages and team features; alert routing (SMS, PagerDuty); cron expression insights. If any of those are load-bearing for you, keep paying.
Is there an open-source alternative to Cronitor?
Yes: Uptime Kuma (Push monitors and ordinary uptime checks under one very cheerful roof.) Healthchecks (Cron phones home; this notices when it stops.)