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Radix vs Neodisk: catalog facts
Radix	Neodisk
Free Free and open source, with downloads on GitHub and Homebrew.	Free Free and open source.
macOS	macOS
Sunburst and treemap views of the same scan Compares scans to show what changed over time	Treemap, flat and sunburst views of disk usage Read-only, so it cannot delete files
Requires macOS 14 or later macOS only	macOS only Cleanup has to be done elsewhere since it never deletes
Downloadable app	Downloadable app
Open source	Open source
License not stated	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.