Oscanner is an Oracle assessment framework developed in Java. It has a plugin-based architecture.
PACK
PACK was developed in order to aid in a password cracking competition "Crack Me If You Can" that occurred during Defcon 2010. The goal of this toolkit is to aid in preparation for the "better than bruteforce" password attacks by analyzing common ways that people create passwords.
patator
Patator is a multi-purpose brute-forcer, with a modular design and a flexible usage.
phrasendrescher
phrasen|drescher (p|d) is a modular and multi processing pass phrase cracking tool. It comes with a number of plugins but a simple plugin API allows an easy development of new plugins.
pipal
All this tool does is to give you the stats and the information to help you analyse the passwords. The real work is done by you in interpreting the results.
polenum
polenum is a python script which uses the Impacket Library from CORE Security Technologies to extract the password policy information from a windows machine.
RainbowCrack
RainbowCrack is a general propose implementation of Philippe Oechslin's faster time-memory trade-off technique. It crack hashes with rainbow tables.
rcracki-mt
rcracki_mt is a modified version of rcrack which supports hybrid and indexed tables. In addition to that, it also adds multi-core support.
RidEnum
Rid Enum is a RID cycling attack that attempts to enumerate user accounts through null sessions and the SID to RID enum. If you specify a password file, it will automatically attempt to brute force the user accounts when its finished enumerating.
RSMangler
RSMangler will take a wordlist and perform various manipulations on it similar to those done by John the Ripper the main difference being that it will first take the input words and generate all permutations and the acronym of the words (in order they appear in the file) before it applies the rest of the mangles.