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Uptime Kuma vs Heartbeat: catalog facts
Uptime Kuma	Heartbeat
Free Free and open source under the MIT licence.	Free Free and open source under the Apache-2.0 license.
Windows, macOS, Linux, Web, Self-hosted	Command line
Monitors HTTP, TCP, ping, DNS, Docker containers and more More than ninety notification services, including most chat apps	Checks services over HTTP, TCP, and ICMP Supports TLS, authentication, and proxies
Runs from one place, so it cannot tell you about regional outages NFS and other network filesystems are explicitly unsupported for its data	Sends monitoring data to Elasticsearch or Logstash for analysis
Self-hosted	Downloadable app
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 October 8, 2026

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