OmniDiskSweeper is a Mac OS X utility for quickly finding and deleting big, useless files and making space on your hard disks. OmniDiskSweeper scans your disks and highlights the biggest files, so you can determine what's using up your disk space.



WizTree is described as 'Ultra-fast disk space analyzer for Windows, showing largest files and folders according to space usage by utilizing the NTFS file system's Master File Table for unmatched speed' and is a very popular disk usage analyzer in the os & utilities category. There are more than 100 alternatives to WizTree for a variety of platforms, including Windows, Mac, Linux, BSD and Android apps. The best WizTree alternative is WinDirStat, which is both free and Open Source. Other great apps like WizTree are Baobab Disk Usage Analyzer, Filelight, TreeSize and SD Maid SE.
OmniDiskSweeper is a Mac OS X utility for quickly finding and deleting big, useless files and making space on your hard disks. OmniDiskSweeper scans your disks and highlights the biggest files, so you can determine what's using up your disk space.




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.


K4DirStat, fork of KDirStat , is a small utility program that sums up disk usage for directory trees, very much like the Unix 'du' command. It displays the disk space used up by a directory tree, both numerically and graphically.
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...








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.




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.



A file manager with a focus on storage side of things: Monitoring, classing, storage, duplicate cleanup, archiving, and moving.




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.




DiskSweep allows you to easily see which files and folders are taking up the most disk space and delete the unnecessary ones to free up space.
