John the Ripper is a fast password cracker, currently available for many flavors of Unix, Windows, DOS, BeOS, and OpenVMS. Its primary purpose is to detect weak Unix passwords. Besides several crypt(3) password hash types most commonly found on various Unix systems, supported...

The World's Fastest CPU/GPU powered password cracker.

World Fastest MD5 cracker BarsWF with AMD and NVIDIA support.

Hashcat GUI overlay for Windows and Linux.

Worlds fastest md5crypt, phpass, mscash2 and WPA / WPA2 cracker & Worlds first and only GPGPU based rule engine.

LaZagne is an open source application used to retrieve passwords stored on a local computer. Each software stores its passwords using different techniques (plaintext, APIs, custom algorithms, databases, etc.).

Program to recover/crack SHA1, MD5 & MD4 hashes. Fastest SHA1/MD5 hash cracker on ATI and NVIDIA GPUs. World first multihash cracker for ATI.

Pyrit allows to create massive databases, pre-computing part of the IEEE 802.11 WPA/WPA2-PSK authentication phase in a space-time-tradeoff. Exploiting the computational power of Many-Core- and other platforms through ATI-Stream, Nvidia CUDA, OpenCL and VIA Padlock, it is...

L0phtCrack is a password auditing and recovery application (now called L0phtCrack 7) originally produced by Mudge from L0pht Heavy Industries. It is used to test password strength and sometimes to recover lost Microsoft Windows passwords, by using dictionary, brute-force, hybrid...

MDCrack is a free featureful password cracker designed to bruteforce several commonly used hash algorithms at a very aggressive speed rate.

GoCrack provides APIs to manage password cracking tasks across supported cracking engines.