Open Library
Overview
Usable by default: Yes
Crawls metadata: Yes
Crawls covers: Yes
Overall quality: Excellent
Overall quantity: Okayish for english books, poor for other languages
Longrunning: No
Description
Open Library is a project of the Internet Archive, a nonprofit organization. It has a goal of creating a web page for every book ever published. It provides access to many public domain and out-of-print books, and allows users to contribute books. It also provides a RESTful API for developers to access the data.
Configuration
This source doesn't need any configuration. It's usable by default.