Largest computing grid

The Berkeley Open Infrastructure for Network Computing (BOINC) was originally created to process the huge amounts of data for the SETI at Home project (search for extra-terrestrial intelligence). It has since been expanded to offer distributive platform computing for a range of projects as diverse as mathematics, medicine, molecular biology, climatology, and astrophysics. BOINC currently has approximately 527,880 active hosts for this application on home computers worldwide, providing a massive average 5.428 petaFLOPS of computational power as of 8 August 2010.