MeterHero - MeterHero is a best-in-class market-based solution for water and energy conservation.
Outervision Power Supply Calculator - Outervision Power Supply Calculator is one of the leading and trusted PC power consumption calculators, providing you with accurate information.
Cooler Master Power Supply Calculator - A best-in-class power tool that calculates the power requirements of a unit system and helps you to select the required power supply for a unit system in an accurate manner.
PowerSupplyCalculator.net - PowerSupplyCalculator.net offers you the most accurate PC power consumption calculator, allowing you to manage your power requirements.
Newegg Power Supply Calculator - Newegg Power Supply Calculator is a great way to calculate all sorts of power requirements for your PC.
Shutter - Shutter is a feature-rich screenshot program.