Power Manager is described as 'helps you save energy by reducing the running cost of your Mac. The savings appear on your energy bills, and in the time you save by taking advantage of Power Manager's ability to automate back-ups and other repetitive tasks'. There are three alternatives to Power Manager for Windows and Mac. The best alternative is Power Plan Assistant, which is free. Other great apps like Power Manager are Power Manager Professional (Paid) and Impero Corporate (Freemium).
Impero combines remote control in an intuitive real time CCTV like live remote thumbnail interface with its advanced computer activity monitoring technology to create a truly holistic view of how your network estate is being utilised in the workplace.