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

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