Gerix WiFi cracker is an easy to use Wireless 802.11 Hacking Tool with a GUI, it was originally made to run on BackTrack and this version has been updated for Kali (2018.1).
To get it up and running make sure you do:
apt-get install qt4-dev-tools
Running Gerix Wireless 802.11 Hacking Tool
$ python gerix.py
You can download Gerix here:
gerix-wifi-cracker-master.zip
Or read more here.