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Ducgdu
Free

Free and open source.

 Free

The open-source application is available without a license fee.

Linux, Command line Windows, macOS, Linux
  • Scales to hundreds of millions of files
  • Fast browsing from a stored index
  • Interactive size inspection with parallel scans
  • Results reflect the last index run, not live disk state
  • Other systems need to build from source
  • Parallel scanning offers less benefit on mechanical disks.
Downloadable app Downloadable app
Open source Open source
License: LGPL-3.0 License: MIT
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 24, 2026

Checked September 22, 2026

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