Assembly Line

Checkmate vs Instatus

Checkmate and Instatus are both status page software. Checkmate is open source under AGPL-3.0, with 11k GitHub stars. Instatus is a commercial product from Instatus.

Which to pick

Pick Checkmate when
You want an Uptime Kuma-style monitor that also tracks server CPU, memory and disk.
Pick Instatus when
A startup wants a good-looking status page cheaply.

Side by side

What it does

A self-hosted monitor for website uptime, response times, server hardware and incidents, with status pages.

Fast, low-cost hosted status pages with monitoring, subscriber notifications and integrations.

Watch out

AGPL license, and hardware monitoring needs its separate agent.

It is a small vendor with fewer enterprise features.

Ready for

Usable

Production-ready

Runs as

Self-hosted server

Cloud service

Built with

TypeScript, JavaScript and MongoDB

Not published

Source code

Open source, AGPL-3.0 (network copyleft)

Closed source, sold by Instatus

What the license allows

Use inside your business is unrestricted. If you change it and let customers use it over the internet, you must publish your changes.

Closed source: you use it under the maker's terms and cannot change or resell the code.

How widely known

11k GitHub stars

No Wikipedia article of its own

How established

Established: started 2 years ago, latest release v3.13.1.

Not known

Other comparisons

More status page tools

Every status page product and project, ranked

Both sides were judged on 2026-11-03 from makers' descriptions, Wikipedia, READMEs and GitHub data. License, age and popularity lines are worked out directly.