Is Tasmota free and open source?

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

What are open-source alternatives to Tasmota?

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

Tasmota

Curated

Open-source firmware for ESP8266/ESP32 smart devices, enabling local MQTT/HTTP control without a cloud dependency.

Visit tasmota.github.io Source

Automation & IoT·GPL-3.0·24.6k stars·v15.5.0·added 2026-07-28

Curated listing — added by OSSDrop, not the maker.

Frequently asked

What is Tasmota?
Tasmota is an open-source automation & iot tool — Open-source firmware for ESP8266/ESP32 smart devices, enabling local MQTT/HTTP control without a cloud dependency.
Is Tasmota free and open source?
Yes. Tasmota is free and open source, released under the GPL-3.0 license. You can view and contribute to the source at https://github.com/arendst/Tasmota.
What are open-source alternatives to Tasmota?
Other open-source automation & iot tools on OSSDrop include Home Assistant, Huginn, Frigate, Node-RED.

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