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Bubo Reader vs Stringer: catalog facts
Bubo Reader	Stringer
Free Free to use; the source is published on GitHub.	Free Free and open source under the MIT licence. Hosting is separate.
Web, Self-hosted	Web, Self-hosted
Output is a single static page with nothing to maintain at runtime Reads RSS, Atom and JSON feeds	No social features, recommendations or analytics by design Simple Rails application that deploys to a small server easily
No read or unread tracking, folders or search Needs a Node.js build step to refresh feeds	Minimal feature set; no filtering, tagging or mobile apps Development is largely dormant
Self-hosted	Self-hosted, Web application
Open source	Open source
License not stated	License: MIT
No 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 September 23, 2026	Official website Full listing and sources Checked September 22, 2026

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