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 Flathub apps. The best i.Disk alternative is WinDirStat, which is both free and Open Source. Other great apps like i.Disk are WizTree, TreeSize, Baobab Disk Usage Analyzer and SquirrelDisk.
fsv (pronounced eff-ess-vee) is a file system visualizer in cyberspace. It lays out files and directories in three dimensions, geometrically representing the file system hierarchy to allow visual overview and analysis.
