reaver
Open Source
Reaver implements a brute force attack against Wifi Protected Setup (WPS) registrar PINs in order to recover WPA/WPA2 passphrases.
Intercepter-NG
Free
Intercepter-NG is a multifunctional network toolkit for various types to recover interesting data from the network stream and perform different kinds of MiTM …
Compare Kismet with alternatives
Compare Intercepter-NG and Kismet and decide which is most suitable for you.