internetarchive/openlibrary

What it is

Open Library is an open, editable library catalog run by the Internet Archive. The project's aim is to provide a web page for every book ever published, with bibliographic records that the community can contribute to and correct. The repository holds the source code behind the openlibrary.org website, so this is both a public catalog to use and a codebase to develop against. It fits readers and researchers who want a free book catalog, and developers, librarians and data-minded contributors who want to improve the platform.

Getting started

The README is a pointer rather than a full setup guide. The documented path is to:

1. Read the contributing guide first; it sets out community norms and contribution standards.
2. Follow the Quick Start to set up your local environment and make a first contribution.
3. Use docs.openlibrary.org for the full developer documentation.

Non-development volunteering is handled through the volunteer page.

Constraints

Contributing is governed by the project's community norms and standards, so the contributing guide is a prerequisite, not optional reading. The source is released under AGPL-3.0, which matters if you plan to run or modify the service and expose it to users. The repository provides developer setup through the separate documentation site; it does not include the environment commands in the README itself.

HotRepo's take

On the Python daily list for 2026-11-15, the project recorded 9 new stars and reached 16th place; the best all-language GitHub daily rank is not recorded for this repository. That single day's entry is the only retained ranking record, so it is a snapshot of visibility rather than evidence of a trend. What the entry does support is continued attention to a long-running, openly licensed catalog and its contributing developer base after more than 15 years on GitHub.