Tool
URL
Description
Dictionaries / Wordlists
ftp://coast.cs.purdue.edu/pub/dict/, http://packetstormsecurity.org/Crackers/wordlists/dictionaries/
Word lists that can be used in most password-cracking utilities.
Hydra
http://www.thc.org/thc-hydra/
A fast network logon cracker that supports many different services.
John the Ripper
http://www.openwall.com/john/
A password-cracking utility.
L0phtCrack
http://www.atstake.com/research/lc3/index.html
A password-cracking utility for Windows.
LSADump2
http://razor.bindview.com/tools/files/lsadump2.zip
An application to dump the contents of the LSA secrets on a machine, provided you are an administrator.
PWDump2
http://razor.bindview.com/tools/files/pwdump2.zip
A utility to extract the Windows SAM database.
PDDump3
http://www.ebiz-tech.com/html/pwdump.html
A utility to remotely extract the Windows SAM database.
VNC Crack
http://www.phenoelit.de/vncrack/
A password-cracking tool for VNC.