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Uptime Kuma vs Blackbox Exporter: catalog facts
Uptime Kuma	Blackbox Exporter
Free Free and open source under the MIT licence.	Free Free and open source, part of the Prometheus project.
Windows, macOS, Linux, Web, Self-hosted	Linux, Self-hosted
Monitors HTTP, TCP, ping, DNS, Docker containers and more More than ninety notification services, including most chat apps	Probes over several protocols including ICMP and gRPC Official Prometheus project with regular maintenance
Runs from one place, so it cannot tell you about regional outages NFS and other network filesystems are explicitly unsupported for its data	Needs Prometheus to collect and store results No interface of its own beyond a basic status page
Self-hosted	Downloadable app, Self-hosted
Open source	Open source
License: MIT	License not stated
No account needed	No account 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 24, 2026

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