Open Learn is an initiative of The Open University, UK. It provides supplemental materials for educators, including articles, podcasts, videos, games, and much more. In addition, it offers more than 700 free online classes.
Smarthistory is a multimedia art history website, which seeks to educate users about art in innovative ways not usually allowed by traditional textbooks. It brings together content from museums and other cultural sites to engage students in conversations about how to interpret and understand the works presented. The work is licensed as Creative Commons CC-BY-NC-SA 4.0.