Assorted Media
- Digital Public Library of America (DPLA) - Connects people to the riches held within America’s libraries, archives, museums, and other cultural heritage institutions
- Google Cultural Institute - Explore stories from around the world
- Humboldt State University - A collection of open educational resources that is CC licensed
- Library of Congress
- MERLOT - The MERLOT system provides access to curated online learning and support materials and content creation tools, led by an international community of educators, learners and researchers
- MIT OpenCourseWare - Explore materials from 2,400 courses through MIT's s web-based publication of virtually all MIT course content
- Open Culture - The best free cultural and educational media on the web
- Shared Shelf Commons - Search images from libraries, archives, and museums
- The Internet Archive - A non-profit library of millions of free books, movies, software, music, websites, and more
- The Public Domain Review - Founded in 2011, The Public Domain Review is an online journal and not-for-profit project dedicated to the exploration of curious and compelling works from the history of art, literature, and ideas
- The New York Public Library - Explore 727,359 items digitized from The New York Public Library's collections
- Wikimedia - A global movement whose mission is to bring free educational content to the world