open library is an open, editable library catalog, building towards a web page for every book ever published. read, borrow, and discover more than 3m books for free.

the library of congress is the nation's oldest federal cultural institution, and it serves as the research arm of congress. it is also the largest library in the world, with more than 162 million items. the collections include books, sound recordings, motion pictures, photographs, maps, and manuscripts.

the digital public library of america brings together the riches of america’s libraries, archives, and museums, and makes them freely available to the world.

internet archive is a non-profit digital library offering free universal access to books, movies & music, as well as 624 billion archived web pages.

the california digital library exists to support the university of california community’s pursuit of scholarship and to extend the university’s public service mission.

the new york public library (nypl) has been an essential provider of free books, information, ideas, and education for all new yorkers for more than 100 years.

we're continuing to experience a major technology outage, but our buildings are open, and events are running as normal.

the met presents over 5,000 years of art from around the world for everyone to experience and enjoy.

welcome to the british museum - discover two million years of human history and culture.