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QSpace vs Double Commander: catalog facts
QSpace	Double Commander
Paid Sold through the Mac App Store and as QSpace Pro; the page does not list prices.	Free Free and open source under the GPL 2.0.
macOS	Windows, macOS, Linux
12 switchable multi-pane layouts Built-in FTP, SFTP, WebDAV, SMB, S3 and cloud drive connections	Two panes with a keyboard workflow built for moving files around Multi-rename tool and file comparison built in
macOS only App Store and Pro editions differ in features	The interface is dated and theming is limited Plugin compatibility with Total Commander is partial
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-2.0
Not stated if an account is needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 21, 2026

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