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WizTreeQDirStat
Freemium

Free for personal use. Commercial use, or removing the Donate button, requires a paid…

 Free

Free and open source under the GPL version 2.

Windows macOS, Linux
  • Reads the NTFS master file table, so scans finish in seconds rather than minutes
  • Treemap view of the whole drive alongside a sorted file and folder list
  • Treemap plus tree view of disk usage
  • No KDE dependencies
  • Closed source
  • The MFT trick only applies to NTFS; other file systems fall back to a normal scan
  • No Windows version
  • Interface is dense for casual users
Downloadable app Downloadable app
Closed source Open source
License not stated License: GPL-2.0
No account needed No account needed
Works offline Works offline

Checked September 20, 2026

Checked September 23, 2026

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