Compare software

Fladder vs Delfin: catalog facts
Fladder	Delfin
Free Free and open source under the GPL-3.0.	Free Free and open source under the GPL-3.0 licence.
Linux	Linux
Dedicated app for Jellyfin libraries Single Flutter codebase aimed at several platforms	Native GTK4 and Libadwaita interface Streams movies and TV shows from Jellyfin
Requires a Jellyfin server to be useful Little documentation in the research about features	Needs an existing Jellyfin server Linux only
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-only	License: GPL-3.0
Account needed	Not stated if an account is needed
Not stated if it 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.