WinDirStat
WinDirStat is a disk usage statistics viewer and cleanup tool, inspired by KDirStat.
GdMap is a tool which allows 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.
GdMap is a tool which allows 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.
WinDirStat is a disk usage statistics viewer and cleanup tool, inspired by KDirStat.
Free Open Source Windows
GrandPerspective is a small utility application for Mac 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.
Free Open Source Mac OS X
SpaceMonger is a treemapping tool for hard disks and file systems.
Commercial Windows
Folder Size analyzes your hard drives and displays file and folder sizes so that you can easily check the distribution of your disk space.
Free Windows
Create a visual representation of the amount of space each file is taking on your hard drive. It creates a "squarified treemap" that makes it easy to see where all your space is going.
Free Windows
Disk Expert is a powerful disk space scanning, reporting and processing utility for Mac OSX. Disk Expert will provide you with the information you need for better understanding and managing your disk space content.
Commercial
Disk Inspector is a utility that allows you to locate "space eaters" - big files and folders saved on disks in your Mac.
Commercial
FolderSizes provides an engaging, interactive disk space analysis experience that you must try yourself to truly appreciate. More than just a series of diverse reports...
Commercial Windows
Folder Size for Windows adds a new column to the Details view in Windows Explorer. The new column shows not only the size of files, but also the size of folders.
Free Open Source Windows