There's also Windows + Tab which works in a very similar way, but allows you to also switch between virtual desktops.
Fun fact, if you've got a touch-screen, you can get to the same app-switcher UI by swiping in from the left side of the screen. The really neat part is that this even works in many full-screen applications that otherwise capture all keyboard and mouse input (for example, VirtualBox in full-screen mode).
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TOP OF THREAD FULL DISCUSSIONFun fact, if you've got a touch-screen, you can get to the same app-switcher UI by swiping in from the left side of the screen. The really neat part is that this even works in many full-screen applications that otherwise capture all keyboard and mouse input (for example, VirtualBox in full-screen mode).