DaisyDisk is described as 'Visually analyzes disk space with an interactive sunburst map, identifies and previews large files, and enables efficient removal to reclaim storage space' and is a very popular disk usage analyzer in the system & hardware category. There are more than 50 alternatives to DaisyDisk for a variety of platforms, including Windows, Mac, Linux, BSD and Flathub apps. The best DaisyDisk alternative is WinDirStat, which is both free and Open Source. Other great apps like DaisyDisk are WizTree, Baobab Disk Usage Analyzer, TreeSize and SD Maid SE.
Comprehensive disk analysis tool offering treemap visualizations to identify large files, duplicate detection, and versatile cleanup actions. Operates offline, ad-free, and open-source, it runs portably on Windows without registration, providing a lightweight solution to manage disk storage.
Comprehensive disk usage analyzer providing ultra-fast insight into space consumption by directly reading NTFS file systems. Identify top space hogs, sort content by size, and enjoy features like portability, offline access, dark mode, and no registration needs. Exclusive to NTFS drives.
Powerful GNOME application that provides in-depth disk usage analysis with graphical representation. It supports scanning of volumes, specific directories, and network folders, offering insights into space allocation both locally and remotely.
Comprehensively analyze disk space usage with TreeSize across local, network drives, and mobile devices. Features include folder sizes, subfolders, file counts, NTFS compression rates, interactive 3D charts, and the ability to target large, temporary, and duplicate files, even via MTP and WebDAV.
SD Maid SE (aka SD Maid 2) is a file management tool for Android that specialises in maintenance. Its core purpose is freeing up space and removing unwanted data.
Provides graphical disk usage analysis using interactive segmented rings, scans local, remote and removable disks, enables navigation and file management from within the interface, displays live info on hover, and integrates with KDE file managers for efficient data management.
SquirrelDisk shows you exactly what's taking up all that space and helps you clear it out. Using SquirrelDisk is a matter of clicking one button to easily find all the huge files on your computer.
A disk usage analyzer with an ncurses interface, aimed to be run on a remote server where you don't have an entire graphical setup, but have to do with a simple SSH connection. ncdu aims to be fast, simple and easy to use, and should be able to run in any minimal POSIX-like...
Open source Mac command line utility integrating disk cleanup, deep app uninstallation with artifact removal, disk analysis, optimization tasks, and a live terminal dashboard for real-time CPU, GPU, memory, disk, and network monitoring with interactive options.
GrandPerspective is a small utility application for Mac that graphically shows the disk usage within a file system. It can help you to manage your disk, as you can easily spot which files and folders take up the most space.
DiskUsage provides a way to find out which files and directories on the SD card of your Android phone are consuming the most space. It displays diagram with directories/subdirectories proportional to their size. Users are allowed to zoom in to look at specific directory content.
QDirStat is a graphical disk usage utility. The successor of KDirStat without any KDE dependencies.
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Simple, free, works on Windows, informative, customizable. Aesthetics are a bit dated (think like Windows XP) but overall it does the trick and I use it all the time