BOINC - BOINC is an open-source software platform for computing using volunteered resources
Apache Mesos - Apache Mesos abstracts resources away from machines, enabling fault-tolerant and elastic distributed systems to easily be built and run effectively.
GridRepublic - Use GridRepublic, or Grid Republic, to join and manage participation in boinc volunteer distributed grid utility computing projects. Help us to create the world's largest top supercomputer. GridRepublic is a BOINC account manager.
JPPF - The open source grid computing solution.
DIET by Avalon - DIET is a software for grid-computing.
PelicanHPC - PelicanHPC is an iso-hybrid (CD or USB) image that let's you set up a high performance...