JDiskReport enables you to understand how much space the files and directories consume on your disk drives, and it helps you find obsolete files and folders.

SpaceSniffer is described as 'Tool application that gives you an idea of how folders and files are structured on your disks. By using a Treemap visualization layout, you have immediate perception of where big folders and files are situated on your devices' and is a very popular disk usage analyzer in the system & hardware category. There are more than 50 alternatives to SpaceSniffer for a variety of platforms, including Windows, Mac, Linux, BSD and Android apps. The best SpaceSniffer alternative is WinDirStat, which is both free and Open Source. Other great apps like SpaceSniffer are WizTree, Baobab Disk Usage Analyzer, TreeSize and Filelight.
JDiskReport enables you to understand how much space the files and directories consume on your disk drives, and it helps you find obsolete files and folders.

Powerful Win utilities: fix registry, clean junk, protect privacy, optimize system, quick launch, find duplicates, folder size, see more recent resources, activity monitor, batch operation, synchronization, disable context menus, skip UAC, trace file.




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.



Take back your hard disk space with Spacie. Spacie scans files and folders on your hard disk and display them in column view, with size information shown up-front. It can help you quickly locate large files that are occupying the precious space on your hard disk.

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.

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...




FolderSizes provides an engaging, interactive disk space analysis experience that you must try yourself to truly appreciate. More than just a series of diverse reports, FolderSizes allows you to visualize your disk space usage from multiple perspectives, like SequoiaView.




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.




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




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.




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).



Pro: Very good hierarchical breakdown + pie chart of consumed space Con: Requires Java