Open Educational Resources (OER)

Creative Commons licensed photos of animals. All of the photos are categorized by animal. Each image indicates the type of Creative Commons license associated with the picture.

Art and architecture images photographed by art historian and visual resources curator Allan Kohl.

The Cell: An Image Library™ is a freely accessible, easy-to-search, public repository of reviewed and annotated images, videos, and animations of cells from a variety of organisms, showcasing cell architecture, intracellular functionalities, and both normal and abnormal processes. The purpose of this database is to advance research, education, and training, with the ultimate goal of improving human health.

Open Source Multimedia, Open Source Sound, Open Source Photos

Enhanced search of Flickr content. Limit to Creative Commons.

Many Flickr users have chosen to offer their work under a Creative Commons license, and you can browse or search through content under each type of license.

A great feature from the popular photo sharing site Flickr where institutes such as The Library Of Congress, Powerhouse Museum, Brooklyn Museum, Smithsonian Institution, and various users can post and share images that have no known copyright restrictions.

Search overlay to Flickr. Retrieves images more images by using related tags. Select "Advanced" to limit to Creative Commons content.

Freeimages was launched in February 2001 as an alternative for expensive stock photography. The idea was to create a site where creative people could exchange their photos for inspiration or work. The site has evolved into the massive community you see today — there are over 2,500,000 registered users and around 400,000 photos online. Registration is required to download images.

To find images that can be reused and remixed use Google's Advanced Image search options. To use the usage rights filter option, select "advanced image search" on the main Google Images page. Once in the "advanced image search" page, you will find the usage rights options at the bottom of the page. In the usage rights menu you can select one of four options; "labeled for reuse," "labeled for commercial.

is a personal project of professional photographer David Niblack. contains more than one hundred pages of images that Mr. Niblack has released for free reuse and redistribution. In fact, the top of the website says "treat like public domain." In addition to the hundreds of images that are available, ImageBase also offers nearly one hundred free PowerPoint templates.

This library contains digital movies uploaded by Archive users which range from classic full-length films, to daily alternative news broadcasts, to cartoons and concerts. Many of these videos are available for free download.

A good collection of original pictures from old books that are no longer copyrighted and considered public domain. This is a great place to find obscure and unique pictures and illustration.

The Prints and Photographs Online Catalog (PPOC) contains catalog records and digital images representing a rich cross-section of still pictures held by the Prints & Photographs Division and, in some cases, other units of the Library of Congress. The Library of Congress offers broad public access to these materials as a contribution to education and scholarship. While international in scope, the collections are particularly rich in materials produced in, or documenting the history of, the United States and the lives, interests and achievements of the American people.
Most images are in the public domain, but users should check the Rights & Restrictions of each collection before use.

Another fantastic location to locate high resolution digital stock photography. The site offers thousands of free images almost all that have no restrictions or agreements attached. In addition the site requires no login to download the high quality files.

With the launch of NGA Images, the National Gallery of Art implements an open access policy for digital images of works of art that the Gallery believes to be in the public domain. Images of these works are now available free of charge for any use, commercial or non-commercial. Users do not need to contact the Gallery for authorization to use these images. They are available for download at the NGA Images website (images.nga.gov)

Open Access Biomedical Image Search Engine The Open-i project aims to provide next generation information retrieval services for biomedical articles from the full text collections such as PubMed Central.

is a great place to find thousands of images that are in the public domain. These images can be used in any way that you and your students see fit. There are twenty-two categories of images of which the largest collections are of animals, birds, and sunsets.

Public domain images, royalty free stock photos, copyright friendly free images. Not copyrighted, no rights reserved. All pictures on this site are explicitly placed in the public domain, free for any personal or commercial use.

A repository for free public domain images. Some photos do require a model or property release. Pictures featuring products should be used with care.

Another fantastic site linking to other U.S. government sites containing hundreds of thousands free and public domain images linking to image categories such as Air Force, forests, animals, Army, birds, coast guard, crops, fish, fire, fruits, geology, Indians, lab research, mammals, money, mountains, NASA, Navy, parks, plants, Presidents, space, storms, veggies, volcano's, war, wildlife, and much more.

Fantastic media repository that is part of the Wikipedia umbrella project where users are free to use any of the sites photos, audio, videos, and other media freely.

Searches only Creative Commons content in Flickr. Additional tools for blogs and websites, including resizing tool, photo credit builder, and code generator.

has an option similar to Google's for finding Creative Commons licensed images. When you search for images using Yahoo's image search tool, you can select filters to refine results to show only images that are licensed under Creative Commons. The filters allow you to select filters for images that can be used for commercial purposes or images that are licensed for remixing and building upon.

Over 1,500 video lectures from MIT, Stanford, Berkeley, Harvard, Princeton, and Yale a comprehensive collection of free online college courses.

The Internet Archive is a digital library of internet sites and other cultural artifacts in digital form, including audio, moving images, texts, and archived web pages. See the Case Study for more information.

The Moving Image Source Research Guide is a gateway to the best online resources related to film, television, and digital media.

The purpose of the Open Video Project is to collect and make available a repository of digitized video content for the digital video, multimedia retrieval, digital library, and other research communities.

Browse the Creative Commons licensed videos on Vimeo.

Wikimedia Commons is a media file repository of CC-licensed and public domain images and videos that supports Wikipedia articles and other Wikimedia Foundation projects.

A video search engine specialized on educational video content that also allows searching within videos.

Public domain contemporary graphics contributed by users.

Consolidated library of icons used in various libraries, window makers, themes and other applications. Over 10,000 unique icons in svg, png, xpm, ico, and icns formats. Requires download of source files, 204 MB.

Icon collection in the Wikimedia Commons.

Icon collection in the Wikimedia Commons.