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Gladys Assistant vs FHEM: catalog facts
Gladys Assistant	FHEM
Free Free and open source.	Free Free and open source under the GPL.
Web, Self-hosted	Self-hosted
Runs locally with no mandatory cloud One Docker command to install	Over 430 modules for many protocols Automatic device and log creation
Requires a machine running Docker Smaller integration catalogue than the largest home automation platforms	Needs an always-on server and extra radio hardware Configuration is technical
Self-hosted	Self-hosted
Open source	Open source
License not stated	License: GPL
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.