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Tiny Tiny RSS vs KrISS feed: catalog facts
Tiny Tiny RSS	KrISS feed
Free Free and open source under the GPL. Hosting is separate.	Free Free to use, released into the public domain under CC0.
Web, Self-hosted	Self-hosted
Filtering and scoring rules that few other readers match API support means third-party mobile clients work against your own server	Installs as a single PHP file No database required
Official distribution is Docker-first and upstream is famously blunt about support Requires PHP and PostgreSQL or MySQL	Basic interface compared with larger feed readers No formal releases, only the repository
Self-hosted, Web application	Self-hosted
Open source	Closed source
License: GPL-3.0	License: CC0-1.0
Not stated if an account is 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 September 22, 2026	Official website Full listing and sources Checked October 2, 2026

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