JDiskReport enables you to understand how much space the files and directories consume on your disk drives, and it helps you find obsolete files and folders.

WhatSize is described as 'Simple tool that allows the user to quickly measure the size in bytes of a given folder and all subfolders and files within it. You would be surprised at how many useless files might be laying around on your hard disks' and is a System Cleaner in the os & utilities category. There are more than 50 alternatives to WhatSize for a variety of platforms, including Windows, Mac, Linux, BSD and Flathub apps. The best WhatSize alternative is WinDirStat, which is both free and Open Source. Other great apps like WhatSize are WizTree, Baobab Disk Usage Analyzer, TreeSize and SquirrelDisk.
JDiskReport enables you to understand how much space the files and directories consume on your disk drives, and it helps you find obsolete files and folders.




This tool uses a sunburst chart to display the usage of your hard disk or other media. The chart shows all major files and folders from all directory levels at once.

RidNacs is a very fast disk space usage analyzer for Microsoft Windows. It scans your local drives, network drives or single directories and produces a tree view with a percentage bar chart column. This gives the user a quick and easy way to identify the largest directories and...




Disko is a small minimalist MacOS application that allows you to see how much disk space individual application are using. It is broadly inspired by the Disk Usage Analyzer application on GNU/Linux.

DiskCatalogMaker is a simple disk management tool which catalogs disks and folders.




Duc is a collection of tools for inspecting and visualizing disk usage.
Duc scales quite well, it has been tested on systems with more than 500 million files and several petabytes of storage.



Inspect your disk and find the files that occupy the most space or that haven’t been modified in a long time.






GdMap is a tool which allows to visualize disk space. Ever wondered why your hard disk is full or what directory and files take up most of the space? With GdMap these questions can be answered quickly. To display directory structures cushion treemaps are used which visualize a...
