Universal power outlets with WiFi connectivity. Use any device with your smartphone or your home automation control panel in a versatile way. Some even have power consumption metering
Depending on the device type, these work with Apple HomeKit, Google Home, Amazon Alexa, or eWeLink.
Devices with Tasmota Fimware can be easily integrated into most smart home applications via the MQTT protocol in a cloud-free manner. Including: ioBroker, openHAB, FHEM, NodeRed, Home Assistant, Domoticz, and more.