i.Disk is described as 'scans directory trees and displays the total space used by each directory in an easy to use form' and is a Disk Usage Analyzer in the System & Hardware category. There are more than 50 alternatives to i.Disk for a variety of platforms, including Windows, Mac, Linux, BSD and Android. The best alternative is WinDirStat, which is both free and Open Source. Other great apps like i.Disk are WizTree (Free Personal), TreeSize (Paid), Baobab Disk Usage Analyzer (Free, Open Source) and ncdu (Free, Open Source).
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 finding and deleting big, useless files.
Disk Inspector is a utility that allows you to locate "space eaters" - big files and folders saved on disks in your Mac. Do you have any finishing free space on your disk? Thinking about buying a new disk?
GraphVu Disk Space Analyzer is a software application for disk space usage analysis and visualization. It scans the disks and presents discovered directory structure information in a form of directed graphs.
PA Storage Monitor shows what you are storing and supports your storage manager tasks. Many rich file reports, including file owner information available. PA Storage Monitor: **Report on file ages, types, owners, duplicates...
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 Explorer, you can take a closer look at the file and folder structure of your internal and external drives.
Disk Usage Analyzer - a free program to analyze disk space of the computer. It helps you to quickly and easily determine the size of folders on your computer, as well as the number of files they contain.