Tasmota is a free Firmware for smart home devices equipped with an ESP8266 chip. This chip enables the construction of Wi-Fi-controlled actuators and sensors—making it fundamental for controlling devices via smartphone.
Tasmota is primarily used by tech-savvy individuals for "do-it-yourself" smart home systems: These techies configure their systems as they see fit, using devices from a variety of manufacturers. All devices are equipped with Tasmota (in technical jargon, this is called "flashing") and can thus be combined under one roof and centrally controlled.
At wesmartify you get actuators with the Tasmota firmware pre-installed: The wesmartify Smart Home Actuator Shut It TASMOTA for smart control of roller shutters and the wesmartify Smart Home Actuator Switch It TASMOTA for the automatic control of light switches and sockets.