This is a list of full length copyleft/public domain songs available on Wikipedia or the Commons

A collaboration between the American Choral Directors Association and the Library of Congress. Contains public domain choral music that users can download, information on the composers, and material related to historical context and stylistic features.

The key goals of The Commons on Flickr are to firstly show you hidden treasures in the world's public photography archives, and secondly to show how your input and knowledge can help make these collections even richer.

The vision of a national digital library has been circulating among librarians, scholars, educators, and private industry representatives since the early 1990s. Efforts led by a range of organizations, including the Library of Congress, HathiTrust, and the Internet Archive, have successfully built resources that provide books, images, historic records, and audiovisual materials to anyone with Internet access. Many universities, public libraries, and other public-spirited organizations have digitized materials, but these digital collections often exist in silos. The DPLA brings these different...