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COSMIC Files vs Deepin File Manager: catalog facts
COSMIC Files	Deepin File Manager
Free Free and open source, developed by System76.	Free Free and open source.
Linux	Linux
Written in Rust Built for and integrated with the COSMIC desktop	Integrated with the Deepin desktop environment Actively developed with a long commit history
Linux only Designed around COSMIC, so less suited to other desktops	Designed for the Deepin desktop and less at home elsewhere Linux only
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 23, 2026	Official website Full listing and sources Checked September 24, 2026

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