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Tasmota
Open-source firmware for ESP8266/ESP32 based devices
As of 30 August 2026, Tasmota is free to use. Tasmota is an open-source firmware for ESP8266 and ESP32 based devices. Softwr lists it under Smart Home. Tasmota is made by Tasmota Community, launched in 2017.
Overview
What Tasmota does
Tasmota is an open-source firmware for ESP8266 and ESP32 based devices. It allows users to flash smart devices with custom firmware, providing local control, MQTT support, and freedom from cloud dependencies.
What people use it for
- Replacing vendor cloud firmware on ESP based smart plugs and switches
- Controlling smart home devices locally over MQTT or HTTP
- Integrating off the shelf Wi-Fi devices with Home Assistant without a cloud account
Related searches
The honest half
Where it falls short
Concrete and checkable, so you can decide whether any of them matter to you. This is the half of a review a vendor will not write about Tasmota.
- Tasmota only runs on Espressif ESP8266, ESP8285, ESP32, ESP32-S and ESP32-C3 chipsets, so devices built on other silicon cannot use it
- Initial installation requires opening the device, bridging GPIO0 to ground during boot and using a 3.3V serial programmer; a 5V programmer damages the chip
- The ESP chip needs at least 150mA at 3.3V, so an underpowered supply causes flashing and stability failures
- The Wi-Fi setup access point stays active for only 3 minutes, after which the device must be power cycled to try again
- The Power Cycle Recovery feature can reset a device to firmware defaults where mains power fluctuates, and the docs advise disabling it in that case
Cross-shopped
What people choose instead of Tasmota
Each pairing was judged by two reviewers asking whether a buyer would genuinely weigh the two against each other. The ones that failed were deleted rather than published.
- TasmotavsGoogle Home
Google Home: Google's smart home platform with Google Assistant
- TasmotavsApple HomeKit
Apple HomeKit: Apple's secure smart home platform integrated with Siri
- TasmotavsHome Assistant
Home Assistant: Open source home automation that puts local control and privacy first
Pricing
What Tasmota costs
Taken from the vendor's own pricing page. Prices move, so check before you buy.
Community
Free
- Full firmware
- MQTT
- Web UI
- Local control
Capabilities
Features
Local Control
MQTT Support
Web Interface
OTA Updates
Home Assistant
Integration with Home Assistant
Domoticz
Integration with Domoticz
OpenHAB
Integration with OpenHAB
Node-RED
Integration with Node-RED
ESP8266 support
Available on ESP8266
ESP32 support
Available on ESP32
Compatible devices support
Available on Compatible devices
Answered, with sources
Questions people ask
Each answer names the page it came from, so you can check it rather than take our word for it.
What is the cost of Tasmota?
Tasmota is completely free as open-source firmware for ESP devices. Source code is available on GitHub, and the project accepts donations for continued development.
SourceCan Tasmota be modified and redistributed?
Yes, Tasmota is open-source software allowing users to access, compile, modify, and redistribute builds according to the project LICENSE.
SourceBehind it
Who makes Tasmota
- Company
- Tasmota Community
- Based in
- International Community
Keep looking
Where to go from Tasmota
- Tasmota alternativesEvery product people weigh against it
- Tasmota pricingPlans, floors and what the tiers exclude
- Tasmota badgesWhich rules it meets, and the figure behind each
- All Smart Home softwareThe full category
- Best Smart Home softwareThe shortlist, and how it was cut
Best Smart Home software for
Compare Tasmota with
- Home Assistant
- Apple HomeKit
- Amazon Alexa
- Google Home
- ESPHome
- Shelly
- OpenHAB
- Hubitat Elevation
- Node-RED
- Aqara
- Blynk
- Eufy Security
- Yale Smart Locks
- Yeelight
- Z-Wave Alliance
- Zigbee Alliance
- Homey
- ESPHome
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Softwr does not host reviews and shows no star rating for Tasmota, because a rating we did not collect is not ours to publish. What is here is the pricing and platform detail from the vendor’s own pages, limitations we could state concretely, and alternatives a reviewer confirmed people weigh against it. Tell us if any of it is wrong.
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