Computers can suck up a whole lot of power. Many times, people will leave them running all day and all night for a range of reasons, not the least of which is because they simply forget to them shut down.

Even in sleep mode, computers use up a lot of energy. But there are easy solutions—even easier than having an eco-button—for sending your computer into sleep mode more quickly to cut back on its energy consumption, or shutting it down altogether at a scheduled time so that phantom power is avoided.

Here are seven downloadable software programs that take the effort out of conserving energy wherever you can.