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.




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.
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.




"DiskMapper is a remarkable utility that frees up megabytes and megabytes of hard disk space - quickly and easily by showing you a useful, graphical, color-coded map of your hard disk. DiskMapper lets you quickly delete or compress programs and files you dont need or rarely...

Disk Recon is a disk space utility that reveals all the crucial information that you need to find out where all your disk space has gone and how you can recover it.




DiskWave is a free utility to help you determine where most of your hard drive space is consumed.

The program seems to be dead, as announced in a tweet of the author: https://twitter.com/bartheph/status/742596462807265280 . The website and the changelog look abandoned. Last version, 0.4.3, released by the end of 2015, can be still downloaded from the official website.
DiskWave provides lightning fast scans and presents the size of items on disk in a way that's user friendly enough so that one can know where their space is being used.




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.

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.




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.








Free and although still under development does exactly what i need. Don't need the extra features commercial apps give.