SpaceRadar allows interactive visualization of disk space and memory. It currently supports Sunburst, Treemap, and Flamegraph charts.



SpaceObServer is described as '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)' and is an app in the development category. There are more than 50 alternatives to SpaceObServer for a variety of platforms, including Windows, Mac, Linux, BSD and Flathub apps. The best SpaceObServer alternative is WinDirStat, which is both free and Open Source. Other great apps like SpaceObServer are WizTree, Baobab Disk Usage Analyzer, Filelight and TreeSize.
SpaceRadar allows interactive visualization of disk space and memory. It currently supports Sunburst, Treemap, and Flamegraph charts.



SpaceMonger is a treemapping tool for hard disks and file systems. It scans, maps, and manages PC, network, and cloud storage. It can copy, move, and delete files to free up storage space. It helps locate large files and folders quickly with Treemap visuals and finds files by...




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.

Zenovix Storage Manager is a Windows storage management app designed to help users understand, clean, and organise their disk space.





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.



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.




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.



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



