Apps similar to DiskTriage include WinDirStat, which is free and open source. Other options are WizTree, Baobab Disk Usage Analyzer, SD Maid SE and Filelight. Disk Usage Analyzers like DiskTriage are a crowded field, with more than 50 alternatives for Windows, Mac, Linux, Android and the web.
Native Quick Look add-on for macOS lets you preview folder size, largest files and subfolders, item counts, storage breakdown, and hidden files directly in Finder. On-demand, local scans ensure no cloud uploads or tracking, with upgrade for further folder inspection.
China
Disk space analyzer for macOS and Windows that draws a disk as a sunburst or treemap, then finds duplicates, unused files and developer caches to reclaim.
Algeria
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...
United States
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.
Germany
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A fast, GPU-accelerated disk-usage treemap for Linux. It maps your whole filesystem as nested rectangles sized to what they actually consume, so the space hogs jump out instantly. Then right-click anything for a plain-English “safe to delete?
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.
United States
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.
GermanyEU
iCloud Cleaner is a native macOS app that helps you stop paying for iCloud storage. It scans your iCloud Drive, Desktop, and Documents to find what's eating your space — node_modules, .git folders, old archives, caches, and large files you forgot about.
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...
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Zenovix Storage Manager is a Windows storage management app designed to help users understand, clean, and organise their disk space.
United Kingdom
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.
United States
Inspect your disk and find the files that occupy the most space or that haven’t been modified in a long time.
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