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Deepin File Manager vs COSMIC Files: catalog facts
Deepin File Manager	COSMIC Files
Free Free and open source.	Free Free and open source, developed by System76.
Linux	Linux
Integrated with the Deepin desktop environment Actively developed with a long commit history	Written in Rust Built for and integrated with the COSMIC desktop
Designed for the Deepin desktop and less at home elsewhere Linux only	Linux only Designed around COSMIC, so less suited to other desktops
Downloadable app	Downloadable app
Open source	Open source
License not stated	License not stated
No account 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 23, 2026

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