MiracleCast is described as 'The MiracleCast project provides software to connect external monitors to your system via Wi-Fi. It is compatible to the Wifi-Display specification also known as Miracast. MiracleCast implements the Display-Source as well as Display-Sink side' and is an app. There are more than 10 alternatives to MiracleCast for a variety of platforms, including Windows, Android, Mac, iPhone and iPad apps. The best MiracleCast alternative is FCast, which is both free and Open Source. Other great apps like MiracleCast are ApowerMirror, LonelyScreen, LetsView and across.
It's totally free and easier to install