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Tiny Tiny RSS vs CommaFeed: catalog facts
Tiny Tiny RSS	CommaFeed
Free Free and open source under the GPL. Hosting is separate.	Free Free and open source under the Apache licence. A hosted instance is available.
Web, Self-hosted	Web, Self-hosted
Filtering and scoring rules that few other readers match API support means third-party mobile clients work against your own server	Familiar Google Reader interface and keyboard shortcuts Single Java application with SQLite, so it runs on modest hardware
Official distribution is Docker-first and upstream is famously blunt about support Requires PHP and PostgreSQL or MySQL	Fewer filtering and automation features than Tiny Tiny RSS Small maintainer team
Self-hosted, Web application	Self-hosted, Web application
Open source	Open source
License: GPL-3.0	License: Apache-2.0
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.