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Disk Usage Analyzer vs Filelight: catalog facts
Disk Usage Analyzer	Filelight
Free Free GNOME application; donations go to the GNOME Foundation.	Free Free and open source under the GPL.
Linux	Windows, Linux
Tree and chart views of folder sizes Scans folders, whole devices and online accounts	The ring chart makes the biggest space consumers immediately obvious Scans remote and network locations as well as local disks
Linux only Shows usage but has few cleanup features of its own	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 September 23, 2026	Official website Full listing and sources Checked September 22, 2026

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