BOINC - BOINC is an open-source software platform for computing using volunteered resources
TimeEtc - Time Etc offers virtual assistants for entrepreneurs and professionals.
Apache Mesos - Apache Mesos abstracts resources away from machines, enabling fault-tolerant and elastic distributed systems to easily be built and run effectively.
WoodBows - WoodBows provides Dedicated Virtual Assistants based in the USA, Philippines, and India at an affordable price.
JPPF - The open source grid computing solution.
Prialto - Prialto employs expert virtual assistants that can efficiently assist you with challenging tasks.