Spectacle is an OSX application which allows greater control of window management through hotkeys. Want OSX to act like a tiling WM? use Spectacle.

Looking for a quick way to change the looks of your Android device? Apart from changing the launcher, you can also bring a whole new look to your UI by simply changing the default icons with some more compelling ones.

Looking to spice up your config with something a little more stylish? We've scoured the Internet to find some of the coolest, best-looking Conky themes!

This askUbuntu post provides a list of additional desktop environments and shells that can be used on Ubuntu. Most of the responses also include feature lists, and directions for installation.