Proto

Proto is a fast, next-gen, freeware file manager. Unlike all the Norton Commander clones, this project introduces interesting and new approach to handling files. Incorporates some of the Jef Raskin's ideas regarding “Humane Interface”.

Free Windows

FolderSizes

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

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

Xinorbis

Xinorbis is a completely FREE, powerful Windows-based data storage analyser for single users or network administrators. Provides an instant visual display of the contents of a hard disk, single or multiple directories.

Free Windows

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

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

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

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

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

TreePie

TreePie : a simple way to display disk usage. It shows the distribution of size in a tree of directories by using an interactive multilevel pie (sunburst diagram). Really small and simple.

Free Open Source Windows

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

UtilStudio Disk Space Finder

UtilStudio Disk Space Finder is a simple tool that you can use to find the files that occupy the most space on your computer.

Freemium Windows

Disk Health

Clean up your Mac's hard drive of tons of unneeded files and find duplicate files with just a drag & drop. We have combined two essential utilities for your Mac...

Commercial

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