Alternative open source Firmware for ESP8266 based devices like itead Sonoff, with Web, Timers, OTA, MQTT, KNX and Sensors Support, to be used on Smart Home Systems. Written for Arduino IDE and PlatformIO.

Some of the main advantages of the Sonoff-Tasmota software:

- Web based GUI interface (HTTP);
- MQTT protocol support;
- Supports most common sensors;
- Online firmware update (OTA);
- Supports TLS;

Official Github page.

https://github.com/arendst/Tasmota/wiki

Tasmota Web based GUI interface (HTTP)