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OmniDiskSweeper vs QDirStat: catalog facts
OmniDiskSweeper	QDirStat
Free Free download from The Omni Group.	Free Free and open source under the GPL version 2.
macOS	macOS, Linux
Plain list of files sorted by size Trash or open files directly from the list	Treemap plus tree view of disk usage No KDE dependencies
macOS only List view only, no treemap or chart	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
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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