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CommaFeed vs Stringer: catalog facts
CommaFeed	Stringer
Free Free and open source under the Apache licence. A hosted instance is available.	Free Free and open source under the MIT licence. Hosting is separate.
Web, Self-hosted	Web, Self-hosted
Familiar Google Reader interface and keyboard shortcuts Single Java application with SQLite, so it runs on modest hardware	No social features, recommendations or analytics by design Simple Rails application that deploys to a small server easily
Fewer filtering and automation features than Tiny Tiny RSS Small maintainer team	Minimal feature set; no filtering, tagging or mobile apps Development is largely dormant
Self-hosted, Web application	Self-hosted, Web application
Open source	Open source
License: Apache-2.0	License: MIT
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.