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.
The Cure - Jesus Is The Cure
JPPF - The open source grid computing solution.
Zooniverse - The Zooniverse is home to the internet's largest, most popular and most successful citizen...
DIET by Avalon - DIET is a software for grid-computing.