Open Educational Resources

OER Commons is a public digital library of open educational resources. Explore, create, and collaborate with educators around the world to improve curriculum.

Merlot is a free and open peer reviewed collection of online teaching and learning materials and faculty-developed services contributed and used by an international education community.

All of the materials found through DPLA—photographs, books, maps, news footage, oral histories, personal letters, museum objects, artwork, government documents, and so much more—are free and immediately available in digital format.

This site contains over 1 million items, including books and some text books although these tend to be older editions. You can limit by subject and date -

The Open Research Library (ORL) is planned to include all Open Access book content worldwide on one platform for user-friendly discovery, offering a seamless experience navigating more than 14,000 Open Access books.