ESPHome vs FHEM
A side-by-side comparison of two self-hosted home automation options
— licensing, setup difficulty, resource needs, and what each one
replaces.
Not the right match-up?
Compare ESPHome with
choose an app… Home Assistant Frigate ntfy Homebridge Tasmota ThingsBoard WLED EMQX Frigate NVR Companion go2rtc Zigbee2MQTT Mosquitto HACS Home Assistant Operating System evcc Scrypted Mushroom Piper Bubble Card OpenMQTTGateway Domoticz Companion DZVents Hyperion Domoticz Home Assistant Companion ESPEasy Sonoff DIY Tools Gladys Assistant Mozilla WebThings Gateway Home Assistant Supervisor SmartApp Bridge ioBroker Z-Wave JS UI openHAB AppDaemon Domoticz Plugin Hub Jeedom OpenHAB Cloud Zwave-JS Server
Compare FHEM with
choose an app… Home Assistant Frigate ntfy Homebridge Tasmota ThingsBoard WLED EMQX Frigate NVR Companion go2rtc Zigbee2MQTT Mosquitto Home Assistant Operating System evcc Domoticz Gladys Assistant Mozilla WebThings Gateway Home Assistant Supervisor SmartApp Bridge ioBroker Z-Wave JS UI openHAB AppDaemon Domoticz Plugin Hub Jeedom OpenHAB Cloud Zwave-JS Server
Feature ESPHome FHEM Category Home Automation Home Automation License GPL-3.0 GPL-2.0 Language C++ Perl Setup difficulty Medium Hard Min. RAM 512 MB 256 MB Deployment docker, bare-metal docker, bare-metal GitHub stars ★ 11,505 ★ 22 First released 2018 2005 Replaces SmartThings SmartThings
Why pick each one
Choose ESPHome if… No coding needed for devices Great with Home Assistant OTA updates ESPHome details Choose FHEM if… Extremely mature Runs on modest hardware FHEM details
Frequently asked questions Is ESPHome or FHEM better? ESPHome is the stronger all-round pick: it has both the larger community and the simpler medium setup. Consider FHEM if its specific feature set fits your needs better.
Are ESPHome and FHEM free and open-source? Yes. ESPHome is licensed under GPL-3.0 and FHEM under GPL-2.0. Both can be self-hosted at no software cost.
Can I run ESPHome and FHEM with Docker? ESPHome: yes. FHEM: yes.