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