Developed by The Open Knowledge Foundation, The Public Domain Review is “an online journal and not-for-profit project dedicated to promoting and celebrating the public domain in all its richness and variety”, as according to the website. Images in their collections are derived from a wide range of online archives, that are on public domain. The images are arranged by topics, where users can search or browse by time, style, genre, type, content and rights.
The Museu d’Art de Catalunya, or MNAC in short, is a national museum located in Barcelona, Spain. The museum is known for its outstanding collections of Romanesque mural paintings and Catalan Modernism. Their digital collection contains more than 8,500 images of artworks from their collections. Users can browse the collections, search and narrow the results by classification, themes and period.
Based in Saint Petersburg, Russia, the State Hermitage Museum is one of the world’s largest and oldest museums. From Paleolithic to contemporary, the museum has more than 3 million items in its holding. The museum also has the world’s largest collection of paintings, which includes famous paintings from the great masters, such as Michelangelo, Raphael, Leonardo da Vinci, Rembrandt, etc.
The Tate is a group of four museums, Tate Britain, Tate Liverpool, Tate St. Ives, Cornwall and Tate Modern. The museums focus on British art and International contemporary and modern art. Its digital database contains more than 69,000 images of collections across the museums. Among them, more than 7,300 are with Creative Commons. Users can search and refine the results by date, object type, artist, subject and collection.
Atlas is an online database that provides images and information of the works exhibited at the Louvre Museum in English language. To date, there are approximately 30,000 items in Atlas.
As one of the largest museums in the world, the Metropolitan Museum (MET) provides access to more than 400,000 high-resolution digital images of public domain works across different periods and geographic locations. Such works can be downloaded directly from the Museum’s website for non-commercial use—including in scholarly publications in any media—without permission from the Museum and without a fee.