CrackStation - CrackStation is a web-based service that is used for retrieving passwords by cracking their hashes.
Kon-Boot - Kon-Boot is a password hacking, password recovery tool for Windows and Mac.
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
ophcrack - Ophcrack is a Windows Password cracker based on Rainbow Tables. Features
hashcat - The World's Fastest CPU/GPU powered password cracker.
Brutus Password Cracker - Brutus Password Cracker is a password cracking tool that is used for recovering passwords for websites and software.