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Briefkasten vs Linkwarden: catalog facts
Briefkasten	Linkwarden
Free Free and open source under the MIT licence.	Freemium Self-hosting is free; the cloud service is a paid subscription with a free trial.
Web, Self-hosted	Android, iOS, Web, Self-hosted
Self-hostable with Docker files included Also offered as a hosted instance	Saves screenshot, PDF and HTML copies of every page Reader view with highlights and annotations
Setup needs a database and an OAuth provider configured No tagged releases	Full-page archiving uses more storage than plain bookmarks Hosted plan is paid after the trial
Self-hosted, Hosted service	Downloadable app, Self-hosted, Hosted service
Open source	Open source
License: MIT	License: AGPL-3.0
Account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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