The Best Open Source TreeSize AlternativesTop Disk Usage Analyzers & System Cleaners like TreeSize

The best open source alternative to TreeSize is WinDirStat. If that doesn't suit you, our users have ranked more than 50 alternatives to TreeSize and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to TreeSize are Baobab Disk Usage Analyzer, SquirrelDisk, ncdu and Filelight.

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TreeSize alternatives are mainly Disk Usage Analyzers, but if you're looking for System Cleaners or File Managers you can filter on that. Other popular filters include Mac, Linux, Open Source, Android, Windows, Windows + Disk Usage Analysis + File Management + Folder Size and Windows + Open Source. These are just examples - use the filter bar below to find more specific alternatives to TreeSize.
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Alternatives list

  1. WinDirStat icon

    WinDirStat

     1144 likes
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    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.

    94 WinDirStat alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Windows
    Folder sorted after their foldersize
     
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    4
    71
    Comments about WinDirStat as an Alternative to TreeSize
    LR88
    Positive
    0

    Unable to view remote LAN folders in different extension formats (ext4, etc). TreeSize can see them well.

    frenchiveruti
    Positive
    1

    It's Open Source, Free, and does the exact same thing but faster, yes you may not have the features of the PREMIUM version of Tree Size, but we are comparing the free version.

    fbianconi
    Positive
    0

    Is open source and does a excelent use of screen realstate.

    Review by a new / low-activity user.
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    3 of 4 comments
    TreeSize Icon
    WinDirStat icon

    • Almost everyone thinks WinDirStat is a great TreeSize alternative.

    • WinDirStat is the most popular Windows alternative to TreeSize.

    • WinDirStat is the most popular Open Source & free alternative to TreeSize.

    • WinDirStat is Free and Open SourceTreeSize is Freemium and Proprietary
    • WinDirStat is CustomizableTreeSize is not according to our users
  2. Baobab Disk Usage Analyzer icon

    Baobab Disk Usage Analyzer

     238 likes
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    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.

    82 Baobab Disk Usage Analyzer alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Linux
    • BSD
    • Flathub
    • FreeBSD
    • GNOME
    • Homebrew
    Baobab Disk Usage Analyzer screenshot 1
     
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    4
    29
    Comments about Baobab Disk Usage Analyzer as an Alternative to TreeSize
    Guest
    Positive
    3

    It's simple and gives all relevant info and useful pie charts

    Review by a new / low-activity user.
    Guest
    Negative
    1

    not enough features; poor ui

    Review by a new / low-activity user.
    Guest
    Positive
    0

    Works super well on WSL2! Multilevel pie chart is also useful!

    Review by a new / low-activity user.
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    3 of 4 comments
    TreeSize Icon
    Baobab Disk Usage Analyzer icon

    • Almost everyone thinks Baobab Disk Usage Analyzer is a great TreeSize alternative.

    • Baobab Disk Usage Analyzer is the most popular Mac & Linux alternative to TreeSize.

    • Baobab Disk Usage Analyzer is Free and Open SourceTreeSize is Freemium and Proprietary
  4. SquirrelDisk icon

    SquirrelDisk

     64 likes
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    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.

    89 SquirrelDisk alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    SquirrelDisk screenshot 1
     
  5. ncdu icon

    ncdu

     133 likes
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    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...

    43 ncdu alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Linux
    • BSD
    • Cygwin
    ncdu screenshot 1
     
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    1
    18
    Comments about ncdu as an Alternative to TreeSize
    Guest
    Positive
    0

    Fast and command-line interface.

    Review by a new / low-activity user.
    TreeSize Icon
    ncdu icon

    • Almost everyone thinks ncdu is a great TreeSize alternative.

    • ncdu is Free and Open SourceTreeSize is Freemium and Proprietary
  7. GrandPerspective icon

    GrandPerspective

     90 likes
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    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.

    75 GrandPerspective alternatives

    Cost / License

    • Free Personal
    • Open Source

    Application type

    Platforms

    • Mac
    GrandPerspective view after scanning a source. Showing dark mode compatibility (macOS Mojave only)
     
  9. QDirStat icon

    QDirStat

     39 likes
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    QDirStat is a graphical disk usage utility. The successor of KDirStat without any KDE dependencies.

    64 QDirStat alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
    • BSD
    • Flathub
    • Flatpak
    QDirStat screenshot 1
     
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    1
    9
    Comments about QDirStat as an Alternative to TreeSize
    Guest
    Positive
    0

    It shows from the biggest to smallest directory size. The big block on the bottom could be disabled on the view menu.

    Review by a new / low-activity user.
    TreeSize Icon
    QDirStat icon

    • Almost everyone thinks QDirStat is a great TreeSize alternative.

    • QDirStat is Free and Open SourceTreeSize is Freemium and Proprietary
  10. DiskUsage icon

    DiskUsage

     79 likes
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    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.

    79 DiskUsage alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Android
    • Android Tablet
    DiskUsage screenshot 1
     

    • DiskUsage is the most popular Android & Android Tablet alternative to TreeSize.

    • DiskUsage is Free and Open SourceTreeSize is Freemium and Proprietary
  11. Disko icon

    Disko

     5 likes
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    Disko is a small minimalist MacOS application that allows you to see how much disk space individual application are using. It is broadly inspired by the Disk Usage Analyzer application on GNU/Linux.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    Disko screenshot 1
     
  12. Space Radar icon

    Space Radar

     8 likes
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    Space Radar is a disk and memory space visualization app built with Electron and D3.js. It currently supports Sunburst, Treemap, and Flamegraph charts and is available for Mac and Windows.

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Electron / Atom Shell
    Space Radar screenshot 1
     
  13. Duc icon

    Duc

     5 likes
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    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.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Linux
    Duc screenshot 1
     
  14. K4DirStat icon

    K4DirStat

     11 likes
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    K4DirStat, fork of KDirStat , is a small utility program that sums up disk usage for directory trees, very much like the Unix 'du' command. It displays the disk space used up by a directory tree, both numerically and graphically.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
    • KDE
     
12 of 25 TreeSize alternatives