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.

The best System Cleaner alternative to TreeSize is SquirrelDisk, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to TreeSize and 13 are System Cleaners so hopefully you can find a suitable replacement. Other interesting System Cleaner alternatives to TreeSize are ncdu, DiskPoint, Mole and OmniDiskSweeper.
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...




Almost everyone thinks ncdu is a great TreeSize alternative.
Cross-platform disk cleaning tool offering private, local file operations with no data tracking, no cloud uploads, no ads, no cost, and an intuitive interface. Fast performance, efficient space recovery, and full functionality for Mac, Windows, and Linux.


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.

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.



Powerful Win utilities: fix registry, clean junk, protect privacy, optimize system, quick launch, find duplicates, folder size, see more recent resources, activity monitor, batch operation, synchronization, disable context menus, skip UAC, trace file.




dua (-> Disk Usage Analyzer) is a tool to conveniently learn about the usage of disk space of a given directory. It's parallel by default and will max out your SSD, providing relevant information as fast as possible.




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.




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.




WhatSize is a simple tool that allows the user to quickly measure the size in bytes of a given folder and all subfolders and files within it. You would be surprised at how many useless files might be laying around on your hard disks.



Recover disk space by removing gigabytes of unwanted and forgotten files!
Do you forget to remove old and heavy files? Are you often forgetting where you put your files?
If at least one of your answers is Yes, try Precious Disk!
Precious Disk carries out this task by scanni.



Fast and command-line interface.