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Prunr vs Neodisk: catalog facts
Prunr	Neodisk
Free Free and open source under the MIT licence.	Free Free and open source.
Windows, macOS, Linux	macOS
Duplicate finder and disk usage analyser in one app Previews and auto-selection for safer cleanup	Treemap, flat and sunburst views of disk usage Read-only, so it cannot delete files
Young project with a small user base No documented command-line mode	macOS only Cleanup has to be done elsewhere since it never deletes
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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