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gdu vs dutree: catalog facts
gdu	dutree
Free The open-source application is available without a license fee.	Free Free and open source under GPL-3.0-only.
Windows, macOS, Linux	Linux, Command line
Interactive size inspection with parallel scans	Displays filesystem usage as a directory tree Can aggregate small files and exclude paths
Parallel scanning offers less benefit on mechanical disks.	The README describes standalone binaries for Linux.
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: GPL-3.0-only
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 8, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.