WizTree - is a disk space analyzer. It scans your entire hard drive and shows you which files and folders are using the most disk space. It does this VERY QUICKLY. Use the information WizTree provides to quickly locate and remove "space hogs" from your hard drive.
Features
• Finds the files and folders using the most space on your hard drive
• Work VERY Fast! We think it's the fastest application of this type in the world!
• Finds the top 1000 largest files on your hard drive
• Sort the contents of your entire hard drive by folder size and optionally delete files and folders
Download: 
WizTree 4.23.rar - 4.8 MB
WizTree 4.20 Portable