Films

Art History Teaching Resources
"A peer-populated platform for art history teachers" with museum resources such as "lesson plans, video introductions to museums, book reviews, image clusters, and classroom and museum activities."
FedFix 
The best movies of the United States Government, from training films to history, from our national parks to the U.S. Fire Academy and the Postal Inspectors, all of these fine films are available for reuse without any restrictions whatsoever.
Flickr
"is known for hosting millions of images, but it also hosts lots of videos. The advanced search tools within Flickr make it easy to find videos that have Creative Commons licenses or have a public domain designation. With just one click those videos can be downloaded to your computer."

Internet Archive: Moving Image Archive
Provides access to digitized videos and clips, including cartoons, commercials and classic films, many public domain or available via Creative Commons license.

Khan Academy
Provides access to educational videos on a variety of academic subjects.

Latest Thinking (open access research videos)
Researchers present short overviews of their recent academic publications.

Life of Vids
Free videos, clips and loops, no copyright restrictions.
National Screening Room
"The National Screening Room currently offers about 300 videos. The videos are digital copies of films made in the 19th and 20th centuries. You can browse the collection by date, location of the filming, and subject. You can also search for videos that are parts of other LOC collections. "
OER Curated Videos. This collection will house videos that can be used in a flipped, blended or totally online classroom. These may be videos that Iowa teachers have found through their classroom work or videos they have developed and used in their classroom.

The Open Video Project
The Open Video Project is sponsored by and developed at the Interaction Design Laboratory at the School of Information and Library Science, University of North Carolina Chapel Hill.
Public Domain Review
"The Public Domain Review is a website that features collections of images, books, essays, audio recordings, and films that are in the public domain. Choose any of the collections to search for materials according to date, style, genre, and rights. Directions for downloading and saving media is included along with each collection of media. "

Pixabay
Free photos, illustrations, vector graphics, and videos.

The Public Domain Project
"Download thousands of historic media files for your creative projects. Completely free & made available by Pond5."
ScienceCinema
Contains multimedia videos highlighting the U.S. Department of Energy's scientific research. State-of-the-art audio indexing and speech recognition technology allows the user to search for specific words and phrases spoken by the presenter in these video files. Simply enter a term and the results list will point to the precise snippets of the video where the term was spoken.
Stockio
"Stockio, like Pixabay, offers a mix of public domain pictures and videos to download for free. To download a video from Stockio simply click the “download” button that appears to the right of all videos. Registration is not required in order to download videos from Stockio. "
TeacherTube
This YouTube for teachers is an amazing resource for finding educationally-focused videos to share with your classroom. You can find videos uploaded by other teachers or share your own.

TED Talks
Thousands of free video presentations on a variety of topics.
Video Lectures  
VideoLectures.NET is a free and open access educational video lectures repository. The lectures are given by distinguished scholars and scientists at the most important and prominent events like conferences, summer schools, workshops and science promotional events from many fields of Science.

Videvo
"Videvo offers free stock videos and motion graphics for use in any project. You may use these video clips free of charge, in both personal and commercial productions. Video clips that carry the Creative Commons 3.0 license must be attributed to the original author."

Wikimedia Commons
Free and open-licensed images, sounds, and videos.

YouTube
It offers the option to browse Creative Commons-licensed content or filter your search results to only include Creative Commons-licensed videos. Below are some highly recommended educational Youtube channels:

LinkedIn Learning: Whether for personal or professional development, integration into your courses, or just for fun, the 17,000+ LinkedIn Learning courses offer something for everyone. The videos and courses can be integrated into D2L. See CTLE for help with this great resource.