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

OmniDiskSweeper

OmniDiskSweeper is a Mac OS X utility for quickly finding and deleting big, useless files and making space on your hard disks. OmniDiskSweeper scans your disks and...

Free Mac OS X

Disk Space Fan

Disk Space Fan is a powerful disk space analysis tool for Windows and it is a freeware. It helps you to free up disk space by quickly finding and deleting big, useless...

Commercial 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

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

Disk Space Fan Pro

Disk Space Fan Pro is a is not only a duplicate file finder, but also a powerful disk space analysis tool for Windows. It helps you to free up disk space by quickly...

Commercial 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

DiskMapper

"DiskMapper is a remarkable utility that frees up megabytes and megabytes of hard disk space - quickly and easily by showing you a useful, graphical, color-coded...

Commercial Windows

Serv-U MFT Server

Serv-U offers secure and cost-effective file transfer solutions to meet the data transfer needs of both SMBs and large enterprises.

Commercial Mac OS X Windows Linux

oo diskstat

O&O DiskStat is a high-power tool for analyzing the used disk space on your storage volumes. With an easy-to-use interface based on the design of the Windows...

Commercial Windows

GraphVu Disk Space Analyzer

GraphVu Disk Space Analyzer is a software application for disk space usage analysis and visualization. It scans the disks and presents discovered directory structure...

Commercial Windows

DirGraph

"DirGraph provides a graphical view of the space used by your files and directories. It allows you to navigate around this view - zooming in to see greater detail...

Free Windows