Hashcat

Multi-Threaded Free Multi-Hash (up to 24 million hashes) Multi-OS (Linux & Windows native binaries) Multi-Algo (MD4, MD5, SHA1, DCC, NTLM, MySQL, ...) SSE2 accelerated All Attack-Modes except Brute-Force and Permutation can be extended by rules Very fast Rule-engine Rules compatible with JTR and PasswordsPro Possible to resume or limit session Automatically recognizes recovered hashes from outfile at startup Can automatically generate random rules Load saltlist from external file and then use them in a Brute-Force Attack variant Able to work in an distributed environment Specify multiple wordlists or multiple directories of wordlists Number of threads can be configured Threads run on lowest priority 30+ Algorithms implemented with performance in mind ... and much more http://hashcat.net