Cronitor alternatives: 2 open-source picks
Cronitor costs $10/mo — $120 a year. These 2 alternatives replace it for $0, led by Uptime Kuma and Healthchecks. All 2 are open source. License, stars and last commit checked by hand on 2026-08-06. No trials, no crippled tiers.
Push monitors and ordinary uptime checks under one very cheerful roof.
Cron phones home; this notices when it stops.
What each one is, in full: Uptime Kuma · Healthchecks
last updated 2026-08-06 · no votes, no pay-to-list · just what's real
how to choose a Cronitor alternative
Most proven
Uptime Kuma, with 91,333 GitHub stars — the largest community of the 2, which usually means more answers when something breaks.
what you give up by leaving Cronitor
- their status pages and team features
- alert routing (SMS, PagerDuty)
- cron expression insights
None of the picks above covers all of it. The full verdict says which gaps matter.
Cronitor alternatives at a glance
| tool | license | running it | platforms | stars | active |
|---|---|---|---|---|---|
| Uptime Kuma | open source | docker to self-host | web, self-hosted | 91,333 | 2026-09 |
| Healthchecks | open source | docker to self-host | web, self-hosted | 10,327 | 2026-09 |
questions about switching from Cronitor
Is there an open-source alternative to Cronitor?
Yes: Uptime Kuma, Healthchecks. Every tool on this page is open source: no trials, no crippled tiers.
Can open source really replace Cronitor?
Our verdict is YES. Uptime Kuma (91k stars), Healthchecks (10k stars) are mature open-source replacements for Cronitor — self-host with docker and stop paying $10/mo. The full verdict, and what you give up by switching, is at caniopensourceit.online/cronitor.
What is the most popular open-source Cronitor alternative?
By GitHub stars, Uptime Kuma (91,333). Healthchecks is next with 10,327.