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diskonaut vs gdu: catalog facts
diskonaut	gdu
Free Free and open source under the MIT license.	Free The open-source application is available without a license fee.
Windows, macOS, Linux, Command line	Windows, macOS, Linux
Shows folder sizes as a treemap Explore contents while scanning	Interactive size inspection with parallel scans
Uses a terminal interface	Parallel scanning offers less benefit on mechanical disks.
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: MIT
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 October 8, 2026	Official website Full listing and sources Checked September 22, 2026

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