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Uptime Kuma vs gatus: catalog facts
Uptime Kuma	gatus
Free Free and open source under the MIT licence.	Free The software is free under its open-source licence. Hosting, hardware and external…
Windows, macOS, Linux, Web, Self-hosted	Linux, Self-hosted, Web
Monitors HTTP, TCP, ping, DNS, Docker containers and more More than ninety notification services, including most chat apps	Checks are declared in one YAML file with conditions on status code, response time and body content, and…
Runs from one place, so it cannot tell you about regional outages NFS and other network filesystems are explicitly unsupported for its data	Configuration is file-based with no editing interface, so changes mean redeploying the config.
Self-hosted	Self-hosted
Open source	Open source
License: MIT	License: Apache-2.0
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.