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QDirStat vs DiskSavvy: catalog facts
QDirStat	DiskSavvy
Free Free and open source under the GPL version 2.	Freemium A free version is available, with paid editions for purchase.
macOS, Linux	Windows, Command line
Treemap plus tree view of disk usage No KDE dependencies	Analyzes network shares and NAS devices as well as local disks Built-in file classification with charts and reports
No Windows version Interface is dense for casual users	Windows only Advanced features are in paid editions
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-2.0	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

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