EDJ - Enlightenment Theme File is a theme file format that is mostly used with Edje, which is a graphics design library that also handles layouts and much more. The file type stores graphics, user interaction functions and even fonts for later use. It is also utilized when changing around the look and overall feeling of the Enlightenment Desktop Environment. These file types are often used for creating user interfaces, although they can be used as theme files too. These themes are also regularly utilized by Openmoko’s Neo Freerunner phone operating system. It should also be noted that the EDJ - Enlightenment Theme File is short for Edjie, which is the graphics library involved in the handling of window decorations and other settings within the Enlightenment platform.