Compare software

openHAB vs FHEM: catalog facts
openHAB	FHEM
Free Free and open source. Hosting, hardware and any external services are separate.	Free Free and open source under the GPL.
Linux, Windows, macOS, Android, Self-hosted	Self-hosted
Rules can respond to schedules, sensor changes and events Bindings connect supported devices and services	Over 430 modules for many protocols Automatic device and log creation
Device support depends on the available bindings and sometimes on a vendor cloud.	Needs an always-on server and extra radio hardware Configuration is technical
Self-hosted	Self-hosted
Open source	Open source
License: EPL-2.0	License: GPL
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 September 22, 2026	Official website Full listing and sources Checked September 23, 2026

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