Here is another smart plug that you can control with Alexa. The Sonoff S31 WiFi Smart Plug can keep track of power, current, and voltage of your appliances too. You can use it to put your devices on a timer and turn them off using an app on your smartphone.
The Sonoff S31 lets you share control of your devices with others. It works with the IFTTT app. You can find out more about it here.