This application allows you to view the space taken up by files and folders on your computer. It’s a fantastic way to clean up your computer when you have low disk space. It will show a graphical representation of which file type is taking up what space on your hard drive. Quickly discover all mp3′s, jpegs, docs, movies or any file type which is taking up your precious hard disk space.
Direct Download Link:
http://sourceforge.net/projects/windirstat/