The description of Spectacle - Play With New Friends
Manage Your Windows Your Own Way For FreeSpectacle is a free and open source app that allows you to reshape, resize and reorder your windows with simple keystrokes. You set up your own keyboard shortcuts, and then use them to move windows around your screen. Split two windows on each side of your screen, top and bottom or left and right, or move a specific window to the foreground: Spectacle does a variety of different things, all with your windows. And it's free.
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