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Nemo vs Sigma File Manager: catalog facts
Nemo	Sigma File Manager
Free Free and open source under the GPL.	Free The software is free under its open-source licence. Hosting, hardware and external…
Linux	Windows, Linux
Keeps the type-ahead path bar, dual panes and toolbars Nautilus dropped Extension system for actions, scripts and previews	Its global search indexes a large drive in seconds, and the dual-pane split view and media previews are…
Best integrated on Cinnamon; other desktops pull in extra dependencies Linux only	It is an Electron application maintained by one developer, so it is heavier than a native file manager.
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: GPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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