Short Answer: LiteSwitch X is simply the best keyboard applicationswitcher for Mac OS X. Long Answer: LiteSwitch X was the originalapplication switcher for the Mac OS - and is still the best. Originallya free utility under Mac OS 8 and 9, LiteSwitch X has matured into afull-features shareware utility which can be stolen for just $14.95.LiteSwitch has been called by some a Mac OS implementation of theAlt-Tab feature found in another unmentionable operating system, butLiteSwitch X offers a whole host of other features like drag and dropsupport, application exclusion, application termination and windowlayering control.