Most of the times people prefer to use wireless web link LAN which is much easier and cost effective.
Vulnerability in the wireless LAN is majorly due to poor configuration and poor encryption.
This tool manufacturers also provides tutorial for installation of the tool and its usage for cracking the password.
It also helps to recover the wireless online grid keys by analyzing routine protocols.
Can be downloaded from :https://www.inssider.com/
WireShark
This is web link protocol analyzer.
So again good for the connection admins to keep a check on the traffic.
Can be downloaded from:https://sourceforge.net/projects/cowpatty/
Airjack
This is a Wi-Fi 802.11 packet injection tool.
Mostly used to check for the man-in-the-middle (MiTm) flaws in the connection and mitigate them.
This tools captures and analyzes the data pipe traffic.
The tool can be also used for trouble shooting.
Captured packets can be decoded by user-defined WEP or WPA keys.
It is used to crack the passwords by using a dictionary of around 300 million words.
source: www.techworm.net