GrandPerspective is a small utility application for Mac OS X that graphically 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. Each file is shown as a rectangle with an area proportional to the file's size. Files in the same folder appear together, but their placement is otherwise arbitrary.
What's New:
· It fixes a bug in 0.9.12 that could cause the application to crash when using a Path test applied to folders in a filter