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SquirrelDisk vs QDirStat: catalog facts
SquirrelDisk	QDirStat
Free Free and open source.	Free Free and open source under the GPL version 2.
Windows, macOS, Linux, Command line	macOS, Linux
Sunburst and treemap views Scans remote servers over SSH and cloud storage	Treemap plus tree view of disk usage No KDE dependencies
Visual charts can be less precise than a plain sorted list	No Windows version Interface is dense for casual users
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-2.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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