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Heartbeat vs Uptime Kuma: catalog facts
Heartbeat	Uptime Kuma
Free Free and open source under the Apache-2.0 license.	Free Free and open source under the MIT licence.
Command line	Windows, macOS, Linux, Web, Self-hosted
Checks services over HTTP, TCP, and ICMP Supports TLS, authentication, and proxies	Monitors HTTP, TCP, ping, DNS, Docker containers and more More than ninety notification services, including most chat apps
Sends monitoring data to Elasticsearch or Logstash for analysis	Runs from one place, so it cannot tell you about regional outages NFS and other network filesystems are explicitly unsupported for its data
Downloadable app	Self-hosted
Open source	Open source
License: Apache-2.0	License: MIT
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked September 21, 2026

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