WhatSize

WhatSize is a simple tool that allows the user to quickly measure the size in bytes of a given folder and all subfolders and files within it. You would be surprised at...

Commercial Mac OS X

RidNacs

RidNacs is a very fast disk space usage analyzer for Microsoft Windows. It scans your local drives, network drives or single directories and produces a tree view with a...

Free Windows

HDGraph

HDGraph helps you to free disk space : it finds for you the largest folders on your drive. Its a free tool allowing to graphically display the hard disk space usage...

Free Windows

K4DirStat

k4dirstat, fork of kdirstat , is a small utility program that sums up disk usage for directory trees, very much like the unix 'du' command.

Free Open Source Linux KDE

DiskSavvy

DiskSavvy is a free, fast and easy-to-use disk space analyzer utility allowing one to analyze disk usage in one or more disks, directories, network shares and/or NAS...

Freemium Windows

TDP x-Ray

"TDP x-Ray is a visual tool intended for disk space administration. Displaying a clear graph showing the disk occupation, in which it is apparent immediately which...

Freemium Windows

SpaceObServer

SpaceObServer is a powerful and flexible hard disk space manager for Windows. It scans local and network drives using a background service and stores their structure...

Commercial 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

xdiskusage

xdiskusage is a user-friendly program to show you what is using up all your disk space. it is based on the design of xxdu written by phillip c.

Free Open Source Linux

Disk Xray

Disk Xray is a disk usage statistics viewer, duplicate files/folders finder and cleanup tool for Mac OS X. Disk Xray consists of three modules: 1. Folder scanner is...

Commercial Mac OS X

FolderSize.WPF

FolderSize is intended to be a simple application to determine what folders takes up place on your machine and to present it to you graphically

Free Windows

GetFolderSize

GetFoldersize allows you to determine the size of folders and sub-folders on your hard drive. Determine which programs are taking up your hard disk space. For each...

Free Windows

Disk Usage Reports

Disk Usage Reports is a web-based way to view disk usage on remote computers or servers, or to provide usage reports to users who store files on your server. Reports are...

Free Open Source Mac OS X Windows Linux

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

Systweak Disk Analyzer Pro

Disk Analyzer Pro is a useful tool that swiftly analyzes your disk space and demonstrates the usage of the disk in terms of file count, file size, created date, etc. It...

Commercial Mac OS X Windows

Directory Size Calculator

Directory Size Calculator is a tool for recursively calculating the total size of a directory tree. This tool was developed to help you to analyze and clean-up the...

Free Open Source 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

ShowMan

Program to help recover disk space. Gives pie-chart view of disk usage, including unused space, with the ability to drill down into folders. Shows actual or nominal...

Free Windows

DiskGraph

Disk Graph is a tool that allows you to inspect your disk and easily find the files that take away most of your disk space. With its beautiful interface and its pie-like...

Commercial