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.

The best File Manager alternative to WizTree is SquirrelDisk, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to WizTree and 15 are File Managers so hopefully you can find a suitable replacement. Other interesting File Manager alternatives to WizTree are Diskaroo, DiskBoss, Directory Report and FilePro.
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.

Visualizes file and folder sizes using treemaps for macOS and Windows, integrates duplicate detection, smart filters, drill-in navigation with breadcrumbs, batch file deletion via a collector tray, and ensures safe cleanup with review options before removal.


A file manager with a focus on storage side of things: Monitoring, classing, storage, duplicate cleanup, archiving, and moving.




Directory Report is a file manager designed to scan large hard drives to find duplicate files, rename files, locate large files and folder, print folder content and more. It provides a simple interface that will appeal to technical users.





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.

Disk cleanup for Windows that recovers more space than traditional cleaners, without ever putting a file at risk.




Zenovix Storage Manager is a Windows storage management app designed to help users understand, clean, and organise their disk space.




UtilStudio Disk Space Finder is a simple tool that you can use to find the files that occupy the most space on your computer. The application can scan any folder and display the file size, while also enabling you to preview the selected files.

File management utility and image viewer. The program has an effective split screen interface with two directory views or a directory view and a file viewer.


This appears to be a file manager, not a disk space analyzer.


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.


Frigate3 is a handy file manager with built-in file viewers, handy utilities, and a wealth of other options that make managing and browsing through files easy.



Total Directory Report - is a professional application designed to allow you viewing your folders, disks or FTP servers as a set of analytical reports or detailed ordered lists in HTML, CSV or PDF formats.

It looks like the MS-Explorer so it is easy to use