Artstor
Artstor is a nonprofit organization that builds and distributes the Digital Library, an online resource of more than 2.5 million images in the arts, architecture, humanities, and sciences, and Shared Shelf, a Web-based cataloging and image management software service that allows institutions to catalog, edit, store, and share local collections. == History == Since 2003, the organization has been an independent non-profit 501(C)(3) organization based in New York.