MacKrack is a freeware password hash brute forcer for Mac OS X, supporting the Crypt, MD5, SHA-1, and Salted SHA-1 algorithms. It has two modes: dictionary and keyspace brute force. It also features Mac OS X password extraction, for 10.2, 10.3, and 10.4 password hashes.

Version 1.5 adds support for Tiger password extraction, as well as Tiger Salted SHA-1 algorithm.

What's New:

Improved performance and added encrypted zip file cracking.