Bring the snap feature from Windows 7 to OS X.
Perfect for looking at two windows at once and multitasking.
Resize windows by dragging them to any side of the screen.
Keyboard shortcuts give you another way to quickly resize windows.
Some apps, such as Chrome and Microsoft Office, work inconsistently if at all.
Check out iSnap @ the Mac App Store (via InsideMacApps.com)
A Free App That Locks Your Mac, Quickly
(未完待续)