Sleep Display, when run, immediately sleeps just your display so that you can continue running your background jobs. It doesn't permanently affect your energy settings, so when you start working again, your monitor will not sleep immediately.
Very small utility that prevents your Mac from going to sleep.
This application prevents your Mac from going to sleep mode.
Application that you use to prevent your computer from going to sleep and for waking it at a specified time and then keeping it awake.
Change the color scheme of your display with just a few clicks.
This Mac app lets you set a sleep timer for your computer.