oclHashcat-plus is Worlds first and only GPGPU based rule engine and Worlds fastest md5crypt, phpass, mscash2 and WPA / WPA2 cracker. Features include Free/Multi-GPU (up to 16 gpus) multi-GPU, Multi-Hash (24 million hashes) Multi-OS (Linux & Windows native binaries) and Multi-Algo (OpenCL & CUDA support) Low resource utilization, you can still watch movies or play games while cracking.
Source: https://thehackernews.com/2012/05/oclhashcat-plus-v008-released-fastest.html