Wikimedia Commons

Wikimedia Commons is a “media file repository” of public domain and freely-licensed educational media content, including images, sounds and video clips. Launched on 7 September 2004 by the Wikimedia Foundation, Wikimedia Commons uses the “wiki-technology” that is the same technology used in Wikipedia. Wikmedia Commons also aggregates files from other projects, including Wikipedia, Wikibooks, Wikivoyage, Wikispecies, Wikisource, and Wikinews. As of October 2015, there are more than 28.7 million files in more than 120,000 collections. Users can conduct a keyword search or browse the content by topic, type, author, location, license and source.

FoodiesFeed

Developed and designed by food photographer, Jakub Kapusnak, FoodieFeed is “a resource of free high resolution food pictures available to download and use on your website, blog, in your presentation, your website template, WP demo, in design project for your client or just anywhere else”. Users can search by keywords or browse by different categories.

Split Shire

Developed by Italian photographer and graphic designer, Daniel Nanescu, Split Shire provides copyright-free photographs for designers, bloggers, social marketeers and commercial companies. Users can search or browse images by categories.

PLiXS Image Database

Founded by a startup based in Switzerland, PLiXS is a database of free high resolution images. As of August 2015, there are close to 3,400 images, contributed by photographers around the world. Users can search or filter their search by photo filters and categories.

Viintage Graphics

Viintage Graphics is a “public domain image repository” that focuses on the term “vintage”. Through their website, users can browse the images by collections.

NYPL Digital Collections

The NYPL Digital Gallery provides access to over 800,000 images digitized from the library’s collections, which spans across different mediums, subjects and time periods. The collections include illuminated manuscripts, historical maps, vintage posters, rare prints and photographs. The collections can also be browse through different categories – Arts & Literature, Cities & Buildings, Culture & Society, History & Geography, Industry & Technology, Nature & Science, and Printing & Graphics.

Guggenheim Museum Collection Online

The Guggenheim Museum contains an extensive holding of over 7,000 artworks from the late 19th century to present day. Their collection online presents “a searchable database of selected artworks from the Guggenheim’s permanent collection of over 7,000 artworks”, which includes works from the Peggy Guggenheim Collection, Venice, and the Guggenheim Museum Bilbao. The database can also be browsed by artists, dates, mediums, movements and venues.

Tate Collections

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.

Ad*Access by Duke University (Libraries)

Funded by the Duke Endowment “Library 2000” Fund, Ad*Access is a project that presents images and database information for over 7,000 advertisements printed in U.S and Canadian newspapers and magazines between 1911 and 1955. The images provide a perspective of major campaigns and companies in 5 main areas: Radio, Television, Transportation, Beauty and Hygiene, and World War II.

Prints & Photographs Online Catalog (PPOC)

Driven by the LOC Prints & Photographs Division, PPOC contains catalog records and digital images from their holdings. These includes photographs, fine and popular prints and drawings, posters, and architectural and engineering drawings.