Not all open content is made to be used in the classroom, but that doesn’t mean you can’t integrate them into your course. Open access book chapters and openly-licensed media can be great additions to your course.

Open Access Publishers and Repositories

Directory of Open Access Journals (DOAJ): Open Access journal articles
Directory of Open Access Books (DOAB): Open Access books
Project Gutenberg: Public domain books and documents
PubMed: Open access journal articles
Public Library of Science (PLoS): Open access journal publisher
Open Book Publishers: Open access book publisher

CC-licensed Media

CC Search: A federated search tool for finding content available under a CC license
Digital Public Library of America: Public domain images, videos, recordings, and texts
The Metropolitan Museum of Art: High-quality open images from the Met
Pexels: Public domain and CC-licensed photographs and stock images
Unsplash: Public domain and CC-licensed photographs and stock images
Wikimedia Commons: Public domain and CC-licensed images and figures
Google Image Search: Images. Use the Tools/Usage rights button to filter by license
Youtube: Videos. Use the Advanced Search/CC license option to see open content
Free Music Archive: Public domain and CC-licensed music and sound bytes