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

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