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Duc

Place
#102 of 105
Score
5.7
Duc's website

The facts below are what the maker publishes about Duc, checked and dated. Our editors have not written about it yet.

The facts

Each one read from Duc's own pages, with the date it was checked.

Where it runs

Application sizes
Nochecked 23 Sep 2026
Desktop platforms
Linuxchecked 23 Sep 2026
Linux availability
The maker’s site says Duc is available from Debian and Ubuntu repositories and gives installation instructions for Debian, Ubuntu, RHEL, and CentOS.checked 11 Oct 2026

What it does

Build dependencies
The maker lists ncurses, Cairo, Pango, and build-essential dependencies for Debian or Ubuntu builds.checked 11 Oct 2026
Compatibility limit
Some commands may not be available depending on the build configuration; the manual gives the duc-nox package as an example without the GUI command.checked 11 Oct 2026
Data export
The manual documents commands that generate XML or JSON output from the index.checked 11 Oct 2026
Disk usage database
Duc maintains a database of accumulated directory sizes that users can query to inspect filesystem usage.checked 11 Oct 2026
Exportable reports
Yeschecked 23 Sep 2026
File-type breakdown
Nochecked 23 Sep 2026
Indexing
Duc maintains a database of accumulated directory sizes that users can query or use to create graphs.checked 11 Oct 2026
Indexing requirement
Duc needs an index of the filesystem before it can show disk usage information.checked 11 Oct 2026
Index privacy option
The index command has a hide-file-names option that hides individual file names while preserving directory names.checked 11 Oct 2026
Index requirement
Duc requires an index of the file system before it can show information.checked 11 Oct 2026
Installation
Duc is available from Debian and Ubuntu repositories, and the maker provides source code for other operating systems.checked 11 Oct 2026
Interfaces
Duc offers command-line and ncurses interfaces, a graphical X or OpenGL interface, and a web CGI interface.checked 11 Oct 2026
License
The Duc GitHub repository identifies its license as LGPL-3.0.checked 11 Oct 2026
Performance
The maker says Duc stores disk usage in an optimized database for a fast interface once indexing is complete.checked 11 Oct 2026
Privacy option
The manual documents a hide-file-names indexing option that hides individual file names while preserving directory names.checked 11 Oct 2026
Purpose
Duc is a collection of tools for indexing, inspecting and visualizing disk usage.checked 11 Oct 2026
Scale
The maker says Duc has been tested on systems with more than 500 million files and several petabytes of storage.checked 11 Oct 2026
Scan scope
files_folderschecked 23 Sep 2026
Source availability
The maker’s site links to downloadable source releases and instructions to build and install Duc.checked 11 Oct 2026
Support
The maker directs questions, feature requests, and bug reports to the GitHub issue system and lists an email contact.checked 11 Oct 2026

Money

Free plan
Yeschecked 23 Sep 2026

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