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Nemo vs COSMIC Files: catalog facts
Nemo	COSMIC Files
Free Free and open source under the GPL.	Free Free and open source, developed by System76.
Linux	Linux
Keeps the type-ahead path bar, dual panes and toolbars Nautilus dropped Extension system for actions, scripts and previews	Written in Rust Built for and integrated with the COSMIC desktop
Best integrated on Cinnamon; other desktops pull in extra dependencies Linux only	Linux only Designed around COSMIC, so less suited to other desktops
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License not stated
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 23, 2026

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