Fern
Fern is a Python tool for Wi-Fi security auditing and cracking. It can recover WEP, WPA, and WPS keys, and can be used for several types of Wi-Fi attacks (Reaver, chopchop, fragmentation attacks, etc.). It comes in a free version onGitHub and a paid professional version. It requires the aircrack-ng suite, Scapy, and Reaver.