Is ESPHome free and open source?

Yes. ESPHome is free and open source, released under the GPL-3.0 license. You can view and contribute to the source at https://github.com/esphome/esphome.

What are open-source alternatives to ESPHome?

Other open-source automation & iot tools on OSSDrop include Home Assistant, Huginn, Frigate, Tasmota.

ESPHome

Curated

Firmware framework for ESP32/ESP8266 microcontrollers, configured via YAML files and used to build smart-home devices.

Visit esphome.io Source

Automation & IoT·GPL-3.0·11.5k stars·2026.7.3·added 2026-08-02

Curated listing — added by OSSDrop, not the maker.

Frequently asked

What is ESPHome?
ESPHome is an open-source automation & iot tool — Firmware framework for ESP32/ESP8266 microcontrollers, configured via YAML files and used to build smart-home devices.
Is ESPHome free and open source?
Yes. ESPHome is free and open source, released under the GPL-3.0 license. You can view and contribute to the source at https://github.com/esphome/esphome.
What are open-source alternatives to ESPHome?
Other open-source automation & iot tools on OSSDrop include Home Assistant, Huginn, Frigate, Tasmota.

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