For productivity and efficiency, “Snap” is a great feature: If you wish to use ‘side by side’ equally sized applications. However, what if you want to see what’s beneath, or wish one “above” the other?

That’s where PowerResizer becomes useful.  You can make the windows you’re dragging ‘transparent’ while dragging, too. Even better, you control the size of each app and can rotate them all from the systray in whichever mode.

Better than that? OK - you can resize any of the docked window without having to adjust the size of other window, as it has the ability to automatically resize docked windows to fit your screen, in the horizontal or vertical arrangement.

Some screen shots showing the ‘resize’ ability:

Oh yes, did I mention it’s free?

Download Link:  http://sourceforge.net/projects/powerresizer/