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selfoss vs Tiny Tiny RSS: catalog facts
selfoss	Tiny Tiny RSS
Free Free and open source under the GPL. Hosting is separate.	Free Free and open source under the GPL. Hosting is separate.
Web, Self-hosted	Web, Self-hosted
Spout plugins pull in sources that are not plain RSS Small PHP and SQLite install that runs on shared hosting	Filtering and scoring rules that few other readers match API support means third-party mobile clients work against your own server
Development is slow and version 2 has been in progress a long time Interface is basic compared with newer readers	Official distribution is Docker-first and upstream is famously blunt about support Requires PHP and PostgreSQL or MySQL
Self-hosted, Web application	Self-hosted, Web application
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
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 September 22, 2026

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