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ncdu vs SquirrelDisk: catalog facts
ncdu	SquirrelDisk
Free Free and open source under an MIT-style licence.	Free Free and open source.
macOS, Linux, Command line	Windows, macOS, Linux, Command line
Works over SSH on a server with no graphical environment Parallel scanning with -t8 is much faster on large trees	Sunburst and treemap views Scans remote servers over SSH and cloud storage
No Windows build Colours are off by default because they were not legible in all terminals	Visual charts can be less precise than a plain sorted list
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 September 21, 2026	Official website Full listing and sources Checked October 2, 2026

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