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Ubooquity vs BookLore: catalog facts
Ubooquity	BookLore
Free Free to download and use.	Free Free to download and run on your own server.
Windows, macOS, Linux, Self-hosted	Web, Self-hosted
Runs anywhere Java runs, including NAS devices Reads Calibre and ComicRack metadata	Multi-user library with smart shelves Kobo and KOReader sync plus OPDS
Closed source Requires a Java runtime	Requires running your own server Browser reading needs the server to be reachable
Downloadable app, Self-hosted	Self-hosted
Closed source	Closed source
License not stated	License not stated
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 23, 2026

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