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Double Commander vs Q-Dir: catalog facts
Double Commander	Q-Dir
Free Free and open source under the GPL 2.0.	Free Free for private use. Commercial use requires a donation licence.
Windows, macOS, Linux	Windows
Two panes with a keyboard workflow built for moving files around Multi-rename tool and file comparison built in	Four panes at once makes multi-folder sorting quick Tiny portable executable
The interface is dated and theming is limited Plugin compatibility with Total Commander is partial	Licence is free for private use; commercial use requires a donation licence Interface is cramped and dated
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-2.0	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 22, 2026

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