CC Search: Search across several repositories, including YouTube, Google, SoundCloud, and more, for still images, music, and videos.
Internet Archive - Moving Image Archive: More than 1.5 million digitized videos and clips, including cartoons, commercials and classic films, many public domain or available via Creative Commons license.
The Open Video Project: A repository of open access digitized videos for education and learning purposes.
Public Domain Project: Thousands of audio, image, and video files in the public domain from the collection of the Pond5 stock footage company.
Videvo.net: Free stock videos and motion graphics for use in any project. Many clips carry a Creative Commons license.
