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SquirrelDisk vs Filelight: catalog facts
SquirrelDisk	Filelight
Free Free and open source.	Free Free and open source under the GPL.
Windows, macOS, Linux, Command line	Windows, Linux
Sunburst and treemap views Scans remote servers over SSH and cloud storage	The ring chart makes the biggest space consumers immediately obvious Scans remote and network locations as well as local disks
Visual charts can be less precise than a plain sorted list	Pulls in KDE libraries on non-KDE desktops
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-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.