Aircrack-ng - Aircrack-ng is an 802.
hashcat - The World's Fastest CPU/GPU powered password cracker.
netsniff-ng - netsniff-ng is a free, performant Linux networking toolkit.
CrackStation - CrackStation is a web-based service that is used for retrieving passwords by cracking their hashes.
WirelessKeyView - Recover lost WEP/WPA keys stored by Wireless service of Windows
MDCrack - MDcrack is a an aggressive cracker for MD2 MD4 MD5 HMAC-MD4 HMAC-MD5 NTLM PIX IOS APACHE FREEBSD IPB2 CRC32 CRC32B ADLER32 hashes