CrackStation - CrackStation is a web-based service that is used for retrieving passwords by cracking their hashes.
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
RainbowCrack - RainbowCrack is software that can crack any password hash by attacking them with a rainbow table.
Brutus Password Cracker - Brutus Password Cracker is a password cracking tool that is used for recovering passwords for websites and software.
THC Hydra - THC Hydra is a powerful password cracking tool that can crack any password.
hashcat - The World's Fastest CPU/GPU powered password cracker.