Try SilFer.
SilFer has the all the core function of ShareIt, Xender and Zapya.
First, these applications do not support file transfer over WiFi Direct. Many people are not familiar with WiFi Direct. Wi-Fi Direct is similar to Bluetooth but with speed and range of WiFi. For example you could be connected to a WiFi network or mobile data and connect to any other device over WiFi Direct without interfering with your current connection. SilFer lets you transfer files over WiFi Direct in very easy way.
SilFer has the best tool to Select files to send. I'll give examples that these apps do not support, Imagine that you have downloaded 10 new songs or videos, and you want to send those files to your friend. SilFer lets you to sort files by date added to your phone. Also with SilFer you can select all newly released songs, or you can select all videos with the longest duration or size. Also you can easily select the oldest or most recent photos.
SilFer is more flexible. These applications allow you to send files to multiple devices simultaneously, but they do not allow you to send and receive simultaneously.
SliFer lets you direct stream audio and video in other device without download to your device.