Tasmota

Alternative firmware for ESP8266 and ESP32 based devices with easy configuration using webUI, OTA updates, automation using timers or rules, expandability and entirely local control over MQTT, HTTP, Serial or KNX. Full documentation at observed · 2026-10-07

github.com/arendst/Tasmota · homepage · C · GPL-3.0 (copyleft) observed · 2026-10-07

Health v2 · maintenance only

92/100

Activity 98
Release rhythm 80
Longevity 100

How is this computed?

round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-10-21. Adoption (stars, forks) is never an input.

gap_med: 61
age_days: 3552
days_rel: 56
days_push: 14
n_releases_24m: 10

Full methodology

Adoption not part of the score

24805 stars · 5184 forks observed · 2026-10-07

What it is AI-extracted, prompt v1, taxonomy v1, 2026-10-12, confidence 0.97

Tasmota is an open‑source firmware for ESP8266 and ESP32 based devices. It provides a web UI, OTA updates, and local control via MQTT, HTTP, serial or KNX.

Use cases

Flash custom firmware on ESP8266 or ESP32 smart devices
Control smart plugs and sensors via MQTT from Home Assistant
Set up OTA updates for ESP32 temperature or motion sensors
Replace stock firmware on Sonoff switches with a configurable alternative
Integrate ESP devices with Matter‑compatible hubs
Configure IoT devices locally using the built‑in web UI
Bridge legacy ESP8266 devices into a Matter network using an ESP32

When to choose

You need a fully open‑source, community‑maintained firmware for ESP devices
Local control without reliance on cloud services is required
Wide sensor and peripheral support (I²C, SPI, 1‑Wire, analog) is needed
OTA updates and web‑based configuration are important for deployment

When to avoid

You require proprietary features only available in vendor firmware
The device has extremely limited flash or RAM that cannot accommodate Tasmota
You need a cloud‑only solution with no local MQTT broker

Facets

application · maturity active

http-server logging iot embedded cli esp8266 esp32 firmware ota webui knx matter home-assistant sonoff mqtt configuration home-automation embedded web-server

2 sources

readme: https://github.com/arendst/Tasmota · fetched 2026-10-07 · 4c72cb1de8d0
homepage: https://tasmota.github.io/docs · fetched 2026-09-28 · 3d3a5ebfa3bb

Member repositories

Repository	Role	Health v2
arendst/Tasmota	main	92
arendst/Tasmota-firmware	mirror	76

For agents

markdown · JSON · MCP: product_card(name="arendst/Tasmota")

Data as of 2026-10-19T08:05:51.212177+00:00 · Report a problem