Today’s featured promo on MacUpdate offers LiteSwitch X for US$5.99 (60% off, retail $14.95). “LiteSwitch X follows the tradition of LiteSwitch as a simple solution for managing open applications using the keyboard. Like its predecessor, which will continue to be available, LiteSwitch X has a clean, simple and functional style that has become Proteron’s hallmark.” LiteSwitch X requires Mac OS X 10.4 or later.