Roni Furer has released a great green open source project call TurningOffService to OpenUp . About the project: By turning off your computer instead of leaving it in sleep mode, you can save 40 watt-hours per day. That adds up to 4 cents a day, or $14 per year. Turning off a computer extends its lifetime, contrary to some misconceptions. Leaving a computer running the whole year will cost you more than 1,000 kWh/y, or almost as much a the total electricity consumption of a high-efficiency household...