WinDirStat

WinDirStat is a disk usage statistics viewer and cleanup tool, inspired by KDirStat.

Free Open Source Windows

SpaceSniffer

SpaceSniffer is a tool application that gives you an idea of how folders and files are structured on your disks. By using a Treemap visualization layout, you have...

Free Windows

TreeSize

TreeSize tells you where precious disk space has gone to. It can be started from the context menu of a local folder or a local drive and displays the size of each...

Freemium $ $ $ Windows PortableApps.com

WizTree

Identify the data vacuums on your hard drive with pinpoint precision very, very quickly.

Free Windows

JDiskReport

JDiskReport enables you to understand how much space the files and directories consume on your disk drives, and it helps you find obsolete files and folders. The tool...

Free Mac Windows Linux BSD

Scanner

This tool uses a sunburst chart to display the usage of your hard disk or other media. The chart shows all major files and folders from all directory levels at once.

• Discontinued The program seems to be no longer updated. Last version, 2.13, released in July 2012, is fully working and can be still downloaded from the official website.

Free Windows

SpaceMonger

SpaceMonger is a treemapping tool for hard disks and file systems. Scan, map and manage PC, network and cloud storage Copy, move and delete files to free...

Commercial $ $ $ Windows

SequoiaView

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...

• Discontinued The official website is no longer available. Last version, 1.3, released in June 2006, can be still downloaded from Softpedia.

Free Windows

crossdirstat

Free open-source cross-platform file & directory statistics as found on Github - Generate a directory tree for any given folder - View any folder as colored...

Free Open Source Mac Windows Linux

MindGems Folder Size

Folder Size analyzes your hard drives and displays file and folder sizes so that you can easily check the distribution of your disk space. The application will display...

Free Windows

Disk Analyzer Pro - Disk space management software

Disk analyzer pro is the best disk space management software which helps in managing and handling hard disk space and running your PC with the highest speed.

Commercial Mac Windows

FilePro

FilePro Professional disk and file manipulation Features ? Generate disk treemaps for local or network volumes ? Search and locate files in treemaps by automatic...

Free Personal Windows

i.Disk

i.Disk scans directory trees and displays the total space used by each directory in an easy to use form.

Free Windows

StepTree

StepTree, TreeMap Visualization of Harddrive & Files This application draws on ideas from the last 15 or so years of research on a type of space filling...

Free Personal Windows

DiskReport

diskreport.net allow to generate an online report of disk space usage. Periodic run allow reports of size and file count variation, usefull to find growing files or...

Freemium Windows Linux