ophcrack
Open Source
Ophcrack is a free open source (GPL licensed) program that cracks Windows log-in passwords by using LM hashes through rainbow tables. The program includes the…
John the Ripper
Open Source
John the Ripper is a free password cracking software tool.
Offline NT Password & Registry Editor
Open Source
chntpw is a software utility for resetting or blanking local passwords used by Windows NT, 2000, XP, Vista, 7, 8 and 8.1.
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Compare Offline NT Password & Registry Editor and Kon-Boot and decide which is most suitable for you.
Compare John the Ripper and Kon-Boot and decide which is most suitable for you.