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Dust vs btdu: catalog facts
Dust	btdu
Free The open-source application is available without a license fee.	Free Free to download from its public GitHub repository.
Windows, macOS, Linux	Linux, Command line
Size bars make large directories easy to spot	Accounts for snapshots and shared extents Sampling gives quick results on large volumes
Scanning is limited to files the current user can access.	Works only on Btrfs Results are estimates that sharpen as sampling continues
Downloadable app	Downloadable app
Open source	Closed source
License: Apache-2.0	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 2, 2026

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