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Space Radar vs Prunr: catalog facts
Space Radar	Prunr
Free Free and open source under the MIT licence.	Free Free and open source under the MIT licence.
Windows, macOS, Linux	Windows, macOS, Linux
Three chart types: sunburst, treemap and flamegraph Shows results while the scan is still running	Duplicate finder and disk usage analyser in one app Previews and auto-selection for safer cleanup
Documentation is limited to the README Small hobby project without a dedicated website	Young project with a small user base No documented command-line mode
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: MIT
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 1, 2026

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