AppKiller 4.2.3

AppKiller lets you close all your open apps, with the fuss of going through them one-by-one.
Do you want to be able to do with a single click? Or – even better – with a single… keyboard shortcut? Look no further!

Features
Easy-to-use: App Killer sleeps unobtrusively in your status bar and waiting for… orders
Ultra-fast: Killing all your open application will take no more than… milliseconds
Cmd+Shift+K: And that’s all it takes to instantaneously kill all your open apps–really!