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Sigma File Manager vs Double Commander: catalog facts
Sigma File Manager	Double Commander
Free The software is free under its open-source licence. Hosting, hardware and external…	Free Free and open source under the GPL 2.0.
Windows, Linux	Windows, macOS, Linux
Its global search indexes a large drive in seconds, and the dual-pane split view and media previews are…	Two panes with a keyboard workflow built for moving files around Multi-rename tool and file comparison built in
It is an Electron application maintained by one developer, so it is heavier than a native file manager.	The interface is dated and theming is limited Plugin compatibility with Total Commander is partial
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-2.0
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.