Compare software

QDirStat vs ncdu: catalog facts
QDirStat	ncdu
Free Free and open source under the GPL version 2.	Free Free and open source under an MIT-style licence.
macOS, Linux	macOS, Linux, Command line
Treemap plus tree view of disk usage No KDE dependencies	Works over SSH on a server with no graphical environment Parallel scanning with -t8 is much faster on large trees
No Windows version Interface is dense for casual users	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: GPL-2.0	License: MIT
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 21, 2026

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