Open Source Linux Disk Space Analyzers
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Disk Space Analyzers for Linux
View 5 business solutionsBrowse free open source Disk Space Analyzers and projects for Linux below. Use the toggles on the left to filter open source Disk Space Analyzers by OS, license, language, programming language, and project status.
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1
CrystalDiskInfo
A HDD/SSD utility software
A HDD/SSD utility software which supports a part of USB, RAID and NVMe. -
2
CrystalDiskMark
A simple disk benchmark software
A simple disk benchmark software. -
3
SpaceSniffer
Find lost disk space the easy way
SpaceSniffer is a freeware (donations are welcome) and portable tool application that lets you understand how folders and files are structured on your disks. By using a Treemap visualization layout, you have immediate perception of where big folders and files are placed on your devices. Treemap concept was invented by Prof. Ben Shneiderman, who kindly permitted the use of his concept into this tool. -
4
QDirStat
Qt-based directory statistics
Qt-based directory statistics: KDirStat without any KDE -- from the author of the original KDirStat. QDirStat is a graphical application to shows where your disk space has gone and to help you to clean it up. This is a Qt-only port of the old Qt3/KDE3-based KDirStat, now based on the latest Qt 5. It does not need any KDE libs or infrastructure. It runs on every X11-based desktop on Linux, BSD and other Unix-like systems and of course in a Docker container. -
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5
BlitzTree
A fast, native disk-space treemap for macOS, in the spirit of WizTree
BlitzTree is a native macOS disk-space analyzer designed to visualize large file systems quickly through interactive treemaps. Its Rust scanning engine can process millions of files while the SwiftUI and AppKit interface remains responsive. Users can switch between cushion-shaded rectangular treemaps and ring-based directory visualization. A synchronized outline view helps identify large folders and files, which can then be revealed in Finder or moved to Trash. The Clean Up panel detects common disposable data such as caches, node_modules, build outputs, and Xcode artifacts. Optional Claude Code or Codex integration can propose cleanup candidates, while BlitzTree itself enforces protected-path and confirmation rules. The app currently requires Apple Silicon and macOS 14 or newer and includes a read-only JSON CLI for scripting. -
6
spaceman
Treemap disk usage analyzer: In search of lost space
Treemap disk usage analyzer: In search of lost space (a.k.a. wata-analyzer) -
7
MangoDisk
Open-source disk cleaner for Windows, macOS and Linux
MangoDisk is a free, open-source disk cleaner for Windows, macOS and Linux. Find caches, large files, exact duplicates and app leftovers without digging through hidden folders. Explore disk usage with nested treemaps or a sunburst chart to see which folders take up the most space. Privacy Cleanup lets you review supported browser, app and system activity by time range. Clearing cookies can sign you out of websites. Also included: app uninstall, startup management, system optimization, common repair tools and an operation history. The resource panel shows CPU, memory, network and disk activity. Scans run locally and don't delete files. Choose what to remove and confirm before cleanup. No signup or login is required. Unsure about a file or an app? Optional online AI explanations cover cleanup items, startup entries, large files, duplicates and app uninstall. They explain purpose, impact and cautions; they don't delete files or replace your judgment. -
8
Fake USB Tester
This program tests USB sticks and tells you if they are fake or not.
TR and UK Language included. This program tests USB sticks and tells you if they are fake or not. The program is powered by Michel Machado's f3 program. The maintainer of f3: https://fight-flash-fraud.readthedocs.io/en/latest/introduction.html https://github.com/shampuan/Fake-USB-Tester Bu program, USB bellekleri sınayarak sahte olup olmadıklarını size bildirir. Program, Michel Machado'nun f3 programından güç alır. -
9
BazWare FLF (Find Large Folders)
Find that huge folder that you didn't know it was there
Are you tired of being unable to find what is using up precious hard disk space? Find that huge folder that you didn't know it was there. Select drive and press start to go through directories manually. Click the refresh button to calculate folder size, double-click to the folder name, or press "+" button to see sub folders. Deleting a folder is possible by clicking the bin button next to the folder. Increase the maximum number of folders when required. (Using more than 10 is recommended for large folders such as Program Files). -
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10
Big File Finder (BFF)
Program to find (all) files above a size at a target dir
Big File Finder, a simple program to find (all) files above a size at a target dir. -
11
ncdu
Ncdu is a disk usage analyzer with an ncurses interface
Ncdu is a disk usage analyzer with an ncurses interface. It is designed to find space hogs on a remote server where you don’t have an entire graphical setup available, but it is a useful tool even on regular desktop systems. Ncdu aims to be fast, simple and easy to use, and should be able to run in any minimal POSIX-like environment with ncurses installed. -
12
Disk Drives Informations
Display information for disk drives. Require Ascoos Framework 24
This package displays a list of the disk drivers you have on your system. Creates a box-style formatted table that displays both the disk and the total, used, and free space on it. You can easily integrate it into any code as long as you follow the instructions below in the details and have Ascoos Framework 24 installed. -
13
Bytopsy
Free, open-source Windows disk space analyzer and PC cleaner
Bytopsy is a free, open-source disk space analyzer and PC optimization tool for Windows, designed to help users understand, manage, and reclaim storage space safely. Built with native C++20, it combines interactive disk usage visualization, intelligent junk file cleanup, duplicate file detection, application and startup management, driver updates, and disk health monitoring in one lightweight, portable solution. With support for developer environments, AI model caches, WSL, Docker, and gaming platforms, Bytopsy goes beyond traditional disk cleaners. It offers both a modern graphical interface and a powerful command-line tool, prioritizing user control, transparency, and data safety. No ads, no telemetry, no unnecessary dependencies — just powerful Windows storage management, completely free. -
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KDirStat (for KDE Directory Statistics) is a KDE program that sums up disk usage for direcory trees - very much like the Unix 'du' command. It also provides cleanup facilities to reclaim disk space.
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15
diskover
File system crawler and disk space usage software
diskover is a file system crawler and disk space usage software that uses Elasticsearch to index your file metadata. diskover crawls and indexes your files on a local computer or remote storage server over network mounts. diskover helps manage your storage by identifying old and unused files and give better insights into data change "hotfiles", file duplication "dupes" and wasted space. It is designed to help deal with managing large amounts of data growth and provide detailed storage analytics. See GitHub for requirements and instructions on installing.
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