Reaver implements a brute force attack against Wifi Protected Setup (WPS) registrar PINs in order to recover WPA/WPA2 passphrases. Developed by Tactical Network Solutions
License: Open Source
Reaver is primarily focused on cracking WPS PINs for wireless routers, making it suitable for network security testing, whereas Cain & Abel is a versatile password recovery tool that supports various protocols and applications, making it more comprehensive but potentially overwhelming for new users.