Photos for Class "the World's easiest way to search for safe, creative commons images and cite them." This is an open source, please use responsibly and give credit.
Wikimedia "is a collection of freely usable media files to which anyone can contribute." This is an open source, please use responsibly and give credit.
Pixabay "is a vibrant community of creatives, sharing copyright free images, videos and music." This is an open source, please use responsibly and give credit.
Pexels "is a free stock photo and video website."
This is an open source, please use responsibly and give credit.
Internet Archive "is a non-profit library of millions of free books, movies, software, music, websites, and more." This is an open source, please use responsibly and give credit.
The National Archives and Records Administration (NARA) "is the nation's record keeper. Valuable records are preserved and are available to you."
Canva "is an online design and visual communication platform with a mission to empower everyone in the world to design anything and publish anywhere." You can use Canva as a student or part of a teacher's class. Canva has images and animations available for your designs.
YouTube Audio Library Download background music for your videos.
For free with respect to YouTube Terms of Service: https://www.youtube.com/t/terms