Download.com has removed the direct-download link and offers this page for informational purposes only.
Single click on a window, drag to mark the snap areas in the smart panel, your window will be resized and positioned to the relative parts of your screen. It's a grid that lets you resize and move windows by dragging your mouse across its segments, you can also modify the segments in Preferences. I know you often use the top left buttons to close, minimize or expand a window, but do you know you can do even more? With AROW, you can customize what happen when you click on on of those buttons, for example, you can expand the window to left half of your screen by clicking on minimize buttons (yellow one) with the right click or your mouse. It's flexible and turns your mouse into a magic mouse.
Besides the functions above, you can be more productive. You can set keyboard shortcuts to arrange your windows instantly, and show desktop by hiding all open windows into dock. Increase the snapping recognition areas and more. It's the only window management tool you'll need on Mac OS X.