Alternatives to Overdisk for all platforms with any license

WinDirStat

WinDirStat is a disk usage statistics viewer and cleanup tool, inspired by KDirStat.
- Does not contain either a pie chart or sunburst chart view. Guest • Feb 2018 • 1 agrees and 0 disagrees
Free Open Source Windows
Disk usage statistics Display files size Hierarchical structure Multiple languages ... Portable Tree view Add a feature

899 Like
SpaceSniffer

SpaceSniffer is a tool application that gives you an idea of how folders and files are structured on your disks. By using a Treemap visualization layout, you have...
- No waiting time at all, shows result of scanned area Guest • Jun 2018
- Does not have a pie chart or sunburst chart display option. Guest • Feb 2018
Free Windows
Hierarchical heatmaps Portable Real time display Visual Tagging Add a feature

289 Like
WizTree

Identify the data vacuums on your hard drive with pinpoint precision very, very quickly.

Free Windows
Display files size Facebook Login Fast loading time File management ... HDD Visualization Support for Large File One Time Passwords Portable Tree map Add a feature

89 Like
TreeSize Professional

TreeSize Professional tells you where precious disk space has gone to. It can be started from the context menu of a local folder or a local drive and displays the size...

Freemium $ $ $ Windows PortableApps.com
Display files size System Cleanup Portable Add a feature

238 Like
Baobab

Baobab Disk Usage Analyzer is a graphical, menu-driven application to analyse disk usage on Linux. Disk Usage Analyzer can easily scan either the whole filesystem tree...

Free Open Source Linux BSD FreeBSD GNOME Homebrew
No features added Add a feature

167 Like
DaisyDisk

With DaisyDisk you can free up disk space by quickly finding and deleting big, useless files. The program scans any mounted disk and displays it on the sunburst map...

Commercial Mac
No features added Add a feature

94 Like
DiskUsage

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...

Free Open Source Android Android Tablet
Folder Hierarchy Add a feature

51 Like
GrandPerspective

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...

Free Personal $ $ $ Open Source Mac
2D graphical representation of folders Lightweight Add a feature

71 Like
JDiskReport

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. The tool...

Free Mac Windows Linux BSD
Ad-free Sync with Amazon Drive Categories Portable ... Version and Source control Add a feature

90 Like
Scanner

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.
- Discontinued The program seems to be no longer updated. Last version, 2.13, released in July 2012, is fully working and can be still downloaded from the official website.
Free Windows
HDD Visualization Add a feature

51 Like
FolderSizes

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...

Commercial Windows
Reporting Add a feature

18 Like
K4DirStat

K4DirStat, fork of KDirStat , is a small utility program that sums up disk usage for directory trees, very much like the Unix...

Free Open Source Linux KDE
No features added Add a feature

10 Like
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SpaceMonger

SpaceMonger is a treemapping tool for hard disks and file systems. Scan, map and manage PC, network and cloud storage Copy, move and delete files to free...

Commercial $ $ $ Windows
No features added Add a feature

43 Like
Filelight

Features: Scan local, remote or removable disks. Configurable color schemes. File system navigation by mouse clicks. Information about files and directories on...

Free Open Source Linux BSD
No features added Add a feature

19 Like
Folder Size (by Brio)

Folder Size for Windows adds a new column to the Details view in Windows Explorer. The new column shows not only the size of files, but also the size of folders. It...

Free Open Source Windows
No features added Add a feature

16 Like