Checkmate vs Upptime

Checkmate vs Upptime
Fact	Checkmate	Upptime
Language	TypeScript	Markdown
Licence	AGPL-3.0	MIT
Stars	11k	17k
Latest	v3.12.0	v2.0.0
Last push	2026-10-01	2026-10-06
Release cadence	about 19 days between releases	about 1 day between releases
Active contributors	15+ commit authors on the default branch in the last 90 days	1+ commit authors on the default branch in the last 90 days
Flags	none	none

How they relate

Both replace Pingdom. Alternatives to Pingdom →
Full replacementCheckmateUptime, page speed and server checks with alerts, self-hosted.
PartialUpptimeChecks run from GitHub Actions every five minutes, with issues opened on downtime.
Both replace Statuspage. Alternatives to Statuspage →
Full replacementCheckmatePublic status pages built from its monitors.
Full replacementUpptimePublishes a status page to GitHub Pages.

v3.12.02026-09-13Docker monitoring is the headline of this release. Containers are now a monitor type in their own right, with host and…
v3.11.02026-08-26Outbound proxy support: global and per monitor proxies
v3.10.02026-07-28Checkmate now ships as a single image: ghcr.io/bluewave-labs/checkmate. The old per service images (checkmate-client, c…
v3.9.22026-07-07[x] Status pages: public payloads now use a strict allowlist of monitor fields — credentials and internal configuration…
v3.9.12026-07-03Uptime percentage for monitors — new MongoDB aggregation stage exposes uptime % on individual monitor views and on stat…

v2.0.02020-10-13This release removes all code from this template and instead relies upon external packages:
v1.13.12020-08-10e7a3041 Use service-worker-index.html for 404
v1.13.02020-08-10aafe039 Support for GitHub SPA with 404.html
v1.12.32020-08-10ff3f33d Fix uptime summary calculation
v1.12.22020-08-10fb7991a Move heading above

✓ signed The latest release, v3.12.0, carries a signature GitHub verified.

Loading the security report

✓ signed The latest release, v2.0.0, carries a signature GitHub verified.

Loading the security report