hashcat - The World's Fastest CPU/GPU powered password cracker.

Wireless Network Watcher - scans your wireless network and displays the list of all computers and devices that are currently connected to your network.

John the Ripper - A fast password cracker for Unix, macOS, Windows, DOS, BeOS, and OpenVMS

Elcomsoft Wireless Security Auditor - Elcomsoft Wireless Security Auditor is software that is used to administer the security of your wireless Network.

Pyrit - Pyrit allows to create massive databases, pre-computing part of the IEEE 802.

WifiInfoView - Scans wireless networks in your area and displays extensive information, including: SSID, MAC Address, PHY Type (802.11g or 802.11n), RSSI, Signal Quality, Frequency, Channel Number, and more...