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diskus vs ncdu: catalog facts
diskus	ncdu
Free The open-source application is available without a license fee.	Free Free and open source under an MIT-style licence.
Windows, macOS, Linux	macOS, Linux, Command line
Simple directory totals with parallel scanning	Works over SSH on a server with no graphical environment Parallel scanning with -t8 is much faster on large trees
It is a size counter rather than a full disk explorer.	No Windows build Colours are off by default because they were not legible in all terminals
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: MIT
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 21, 2026

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