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FHEM vs Domoticz: catalog facts
FHEM	Domoticz
Free Free and open source under the GPL.	Free Free and open source with no subscription.
Self-hosted	Windows, Linux, Web, Self-hosted
Over 430 modules for many protocols Automatic device and log creation	Very low resource use, runs on a Raspberry Pi Zero Fully local with no cloud account
Needs an always-on server and extra radio hardware Configuration is technical	Fewer integrations than larger home automation platforms Interface is more functional than polished
Self-hosted	Downloadable app, Self-hosted
Open source	Open source
License: GPL	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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