KDirStat is described as 'Was a graphical disk usage utility based on KDE 3 libraries, The information provided is similar to the Unix "du" command. In addition to that, it comes with some cleanup facilities to reclaim disk space' and is a disk usage analyzer in the os & utilities category. There are more than 50 alternatives to KDirStat for a variety of platforms, including Windows, Mac, Linux, BSD and Flathub apps. The best KDirStat alternative is WinDirStat, which is both free and Open Source. Other great apps like KDirStat are WizTree, Baobab Disk Usage Analyzer, TreeSize and Filelight.