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Jellyfin MPV Shim vs Delfin: catalog facts
Jellyfin MPV Shim	Delfin
Free Free and open source under the GPL-3.0 licence.	Free Free and open source under the GPL-3.0 licence.
Windows, Linux	Linux
Plays Jellyfin media through MPV Offline sync for watching without the server	Native GTK4 and Libadwaita interface Streams movies and TV shows from Jellyfin
Requires a Jellyfin server Not a full library browser on its own	Needs an existing Jellyfin server Linux only
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Works offline	Needs internet
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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