Not on its own. LibraryThing is one of the best book cataloguing tools there is, with deep metadata, covers and a huge shared catalogue, but it is built for collectors recording what they own, not for libraries lending what they hold. There is no borrowing in LibraryThing itself.
Lending comes from a separate product, TinyCat, which is LibraryThing's small-library tool. So the real question is not whether LibraryThing lends, but whether the LibraryThing-plus-TinyCat route is the right one for your library.
What LibraryThing does
LibraryThing is a cataloguing powerhouse, and that part is genuinely excellent.
- Rich book data: covers, authors, editions, tags, pulled from a large shared catalogue.
- Fast ISBN lookup and import.
- A polished home for a personal or institutional collection.
If your goal is to catalogue a collection beautifully, LibraryThing is a strong choice. The strength is the catalogue data, and that is what you are buying into.
How lending actually works
To lend, you add TinyCat on top. TinyCat is the circulation layer: check-out and check-in, due dates, and a public catalogue page for patrons. It is built around that public catalogue and optional patron self-service, and it is a paid subscription tied to your LibraryThing account.
That is a coherent product, and for a library that wants a public, patron-facing catalogue backed by LibraryThing's data, it is a good fit. It is just a particular set of choices: a LibraryThing account, a public OPAC, and patron-facing features as the centre of the design.
Where it may be more than you want
For a small, high-trust library where the librarian knows every borrower, some of that is weight you did not ask for.
- A public catalogue is something to moderate when a private shelf does not need one.
- Patron-facing features assume a patron side that a 40-person library may not want.
- It is tied to the LibraryThing ecosystem and account, with the cataloguing conventions that come with it.
It is simply a fuller, more public model than the smallest libraries need, and the simpler the library, the more that shows.
A simpler lending route with Your Book Nest
If what you want is to lend a few hundred books to people you know, Your Book Nest is the lighter path. It is lending-first rather than catalogue-first: you record a book, track each copy, and lend it to a named borrower with a due date.
There is no public catalogue to moderate and no required patron accounts, borrowers are just names until you choose to give one a read-only login. You can try it instantly: the home page is a live demo with no sign-up, where LibraryThing and TinyCat both expect an account first. It is free for up to 100 books.