ParallelKnoppix is a fast and easy way to create a high performance computing cluster. It is designed to be easy to use, but it is also suitable for serious work. In fact, you may get more serious work done with
ParallelKnoppix than you would using alternatives, simply because you'll have more time free to use your cluster, rather than install/administrate it.
ParallelKnoppix used to be
...Licence : GPL