The most powerful disk space sizing and analysis utility there is! Answering the Who/What/Where/When of your Disk Space.


Scanner is described as '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' and is a popular disk usage analyzer in the system & hardware category. There are more than 50 alternatives to Scanner for a variety of platforms, including Windows, Mac, Linux, BSD and Flathub apps. The best Scanner alternative is WinDirStat, which is both free and Open Source. Other great apps like Scanner are WizTree, TreeSize, Baobab Disk Usage Analyzer and SquirrelDisk.
The most powerful disk space sizing and analysis utility there is! Answering the Who/What/Where/When of your Disk Space.


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...








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.




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.











Disk Space Visualizer digs for a free disk space. This freeware program was created to simplify "garbage collection" procedures. In a typical usage the hard drive space is slowly filled up by the useless data. This may include temporary files, rarely used software, and.

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.





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





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...


Faster than e.g. WinDirStat and more intuitive thanks to sunburst chart. More up-to-date than Scanner, but possibly discontinued as well.