Hirens BootCD - Hirens BootCD is a powerful, all-in-one boot disk utility that will help you resolve and make reformatting your computer easily.
CrackStation - CrackStation is a web-based service that is used for retrieving passwords by cracking their hashes.
Ultimate Boot CD - The last Boot CD you'll ever need. You need the Ultimate Boot CD if you want to:
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
UBCD4Win - "UBCD4Win is a bootable recovery CD that contains software used for repairing, restoring, or...
hashcat - The World's Fastest CPU/GPU powered password cracker.