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.




TreeSize is described as 'Analyze disk space usage with in-depth insights and interactive visualizations across local and network drives, including mobile devices' and is a very popular disk usage analyzer in the system & hardware category. There are more than 100 alternatives to TreeSize for a variety of platforms, including Windows, Mac, Linux, BSD and Android apps. The best TreeSize alternative is WinDirStat, which is both free and Open Source. Other great apps like TreeSize are WizTree, Baobab Disk Usage Analyzer, Filelight and SD Maid SE.
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.




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.




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.

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...




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




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...




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.



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).





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


Total Directory Report - is a professional application designed to allow you viewing your folders, disks or FTP servers as a set of analytical reports or detailed ordered lists in HTML, CSV or PDF formats.

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.

easy to use. powerful. lots of littles helpful functions.