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.




Filelight is described as 'Displays disk usage visually with interactive segmented rings, scans local and remote disks, allows direct file management, and integrates with KDE file managers' and is a popular disk usage analyzer in the os & utilities category. There are more than 50 alternatives to Filelight for a variety of platforms, including Windows, Mac, Linux, BSD and Homebrew apps. The best Filelight alternative is WinDirStat, which is both free and Open Source. Other great apps like Filelight are WizTree, Baobab Disk Usage Analyzer, TreeSize and SpaceSniffer.
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.




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.

The program seems to be no longer updated. Last version, 2.13, released in July 2012, is fully working and can be still downloaded from the official website.

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).



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...




Disk analyzer pro is the best disk space management software and storage analyzer which helps in managing and handling hard disk space and running your PC with the highest speed.

A native disk-space analyzer for Windows. It maps your entire drive into an interactive sunburst chart in seconds, so you can see exactly what's eating your storage and reclaim gigabytes in one click.



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.

Xinorbis is a completely FREE, powerful Windows-based data storage analyser for single users or network administrators. Provides an instant visual display of the contents of a hard disk, single or multiple directories. Output reports to XML, CSV, HTML or plain ASCII.




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.

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

Lightweight Haves same functionality