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




GrandPerspective is described as 'Small utility application for Mac that graphically shows the disk usage within a file system. It can help you to manage your disk, as you can easily spot which files and folders take up the most space' and is a popular disk usage analyzer in the system & hardware category. There are more than 50 alternatives to GrandPerspective for a variety of platforms, including Windows, Mac, Linux, BSD and Flathub apps. The best GrandPerspective alternative is WinDirStat, which is both free and Open Source. Other great apps like GrandPerspective are WizTree, Baobab Disk Usage Analyzer, TreeSize and SpaceSniffer.
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...

DiskSavvy is a free, fast and easy-to-use disk space analyzer utility allowing one to analyze disk usage in one or more disks, directories, network shares and/or NAS storage devices.




Create a visual representation of the amount of space each file is taking on your hard drive. It creates a "squarified treemap" that makes it easy to see where all your space is going.

DiskWave is a free utility to help you determine where most of your hard drive space is consumed.

Folder Size analyzes your hard drives and displays file and folder sizes so that you can easily check the distribution of your disk space. The application will display the sizes of the folders and files and also the percentage of the total disk size that they occupy in a bar...




dua (-> Disk Usage Analyzer) is a tool to conveniently learn about the usage of disk space of a given directory. It's parallel by default and will max out your SSD, providing relevant information as fast as possible.

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.



Disk Space Analyzer allows you to easily find and remove the bulkiest content for your Mac or external storage. You can see your Mac disk usage, find folders that take up the most space, and manage hard drive space by moving or removing files.




Free open-source cross-platform file & directory statistics as found on Github




Disk Space Fan Pro is a is not only a duplicate file finder, but also a powerful disk space analysis tool for Windows. It helps you to free up disk space by quickly finding and deleting big, useless files.

WhatSize is a 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.



Shows disk usage as graphics