gdmap binary package in Ubuntu Trusty armhf

 GdMap is a tool which allows you to visualize disk space. Ever
 wondered why your hard disk is full or what directory and files take
 up most of the space? With GdMap these questions can be answered
 quickly. To display directory structures cushion treemaps are used
 which visualize a complete folder or even the whole hard drive with
 one picture.

Source package