Welcome to skippy-xd!
Skippy-xd is a lightweight, customizable, feature rich, window-manager-agnostic composite window selector for windows in the X server. With skippy, you get live-preview on your alt-tab motions; you get the much coveted expose feature from Mac; you get a handy overview of all your virtual desktops in one glance with paging mode.
If you want to fly around your daily window flow, if you want cool window motions that adds to your productivity, if you want to manage your windows like a boss, skippy-xd might be the thing for you.
Checkout the wiki for gallery, how to use, config options, and other info.