Open Image Resources
Creative Commons Search
Allows you to search for images available online under a Creative Commons license.
Images available through Flickr published under a Creative Commons license.
Getty Open Content Images
Getty Museum and Research Institute collection of over 85,000 images available for download and use.
New York Public Library Digital Collection
Over 800,000 free and open images digitized from the New York Public Library's collections.
U.S. Government Photos & Images
A collection of U.S. Government photos & images from different agencies. Note: "Some of these photos are in the public domain or U.S. government works and may be used without permission or fee. However, some images may be protected by license or copyright. You should read the disclaimers on each site before using these images."
Provides access to the Wellcome Library's collection of online images. Most are free to use, while others are available for paid licensing.
Free sound clips available online.
OER Commons: Audio Lecture Search
Over 1,000 audio lectures available through OER Commons.
Public Domain Sounds - Free Sound Library
Online repository of sounds / sound clips in the public domain.
Open Video Resources
Moving Image Archive
Digital movies ranging from classic full-length films, to daily alternative news broadcasts, to cartoons and concerts.
OER Commons: Video Lecture Search
Over 6,000 video lectures available through OER Commons.