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FHEM vs Gladys Assistant: catalog facts
FHEM	Gladys Assistant
Free Free and open source under the GPL.	Free Free and open source.
Self-hosted	Web, Self-hosted
Over 430 modules for many protocols Automatic device and log creation	Runs locally with no mandatory cloud One Docker command to install
Needs an always-on server and extra radio hardware Configuration is technical	Requires a machine running Docker Smaller integration catalogue than the largest home automation platforms
Self-hosted	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.