The best File Manager alternative to ncdu is WizTree. It's not free, so if you're looking for a free alternative, you could try WizTree or SquirrelDisk. If that doesn't suit you, our users have ranked more than 25 alternatives to ncdu and four of them are File Managers so hopefully you can find a suitable replacement.
Comprehensive disk usage analyzer providing ultra-fast insight into space consumption by directly reading NTFS file systems. Identify top space hogs, sort content by size, and enjoy features like portability, offline access, dark mode, and no registration needs. Exclusive to NTFS drives.
SquirrelDisk shows you exactly what's taking up all that space and helps you clear it out. Using SquirrelDisk is a matter of clicking one button to easily find all the huge files on your computer.
This free-for-personal-use software utility analyses storage disk usage, and then presents the gathered information in graphical format(s) viz. a directory tree, or a pie chart.
diskreport.net allow to generate an online report of disk space usage. Periodic run allow reports of size and file count variation, usefull to find growing files or directory.
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This program is unbelievably fast!