GrandPerspective is a tool that shows the disk usage within a file system. It can help you to manage your disk, as you can easily spot which files and folders take up the most space. It uses a so-called tree map for visualisation. Files in the same folder appear together, but their placement is otherwise arbitrary. Each file is shown as a rectangle with an area proportional to the file's size. Here are some key features of "GrandPerspective": · Disk usage visualisation by way of tree maps Configurable display of views: · Choice of color mapping schemes · Choice of color palettes · Configurable mapping by file type · Optionally hide specific files by way of a mask · Optionally view the entire volume · Convenient navigation ... [ read more ]