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.




Space Radar is described as 'Disk and memory space visualization app built with Electron and D3.js. It currently supports Sunburst, Treemap, and Flamegraph charts and is available for Mac and Windows' and is a disk usage analyzer in the system & hardware category. There are more than 50 alternatives to Space Radar for a variety of platforms, including Windows, Mac, Linux, BSD and Flathub apps. The best Space Radar alternative is WinDirStat, which is both free and Open Source. Other great apps like Space Radar are WizTree, TreeSize, Baobab Disk Usage Analyzer and SquirrelDisk.
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.




Spyglass is a perfect companion for fixing your cluttered disks and folders. It allows you to navigate your folders and files using a beautiful Sunburst View, a versatile File Navigation View, and smart Breadcrumbs.
1Tree (100% FREE) lets you see all directories/files size in 1 tree, in order to let you to do the manual disk cleaning work easily. It loads drives, folders and files with their sizes (sorted by size), and provides you with the common commands.



Disk Space Fan is a powerful disk space analysis tool for Windows and it is a freeware. It helps you to free up disk space by quickly finding and deleting big, useless files. It displays disk space usage with a nice chart. You can navigate the folders easily with the chart.


Status bar app for macOS that shows the amount of free disk space left on the hard drive.


HDGraph helps you to free disk space : it finds for you the largest folders on your drive.



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.



Visual disk usage analyzer for Mac featuring byte-level duplicate file detection, detailed storage statistics, customizable folder scans, temporary file removal, undo safeguards, selective cleanup, support for large files, and dedicated modules for managing storage.




SpaceObServer is a powerful and flexible hard disk space manager for Windows. It scans local and network drives using a background service and stores their structure, sizes and properties in an SQL database. Linux and Unix filesystems can be scanned via SSH (Secure Shell).



Diskitude helps you figure out what is taking up space on your hard drive using a ring chart. Its intuitive and animated interface allows you to easily explore your file system and prune your files. Plus its super small (only 10 KB) so it loads really fast and wont take up any...


GetFoldersize allows you to determine the size of folders and sub-folders on your hard drive. Determine which programs are taking up your hard disk space. For each folder, you can display the total file size and the number of files and subfolders in the folder.
