Some open access book collections have been established specifically as open textbook collections. Key collections include:
OpenStax
Peer-reviewed open textbooks from the OpenStax initiative, founded by Rice University. Many titles include additional learning resources for both academics and students. Titles can be downloaded; content can be highlighted, notated and printed.
Milne Open Textbooks
Peer-reviewed open textbooks from State University of New York faculty and staff
Open Textbook Library
Open textbooks from a range of publishers and authors (not all are peer-reviewed during the publication process: the site includes user reviews), including key open access textbook publishers like Openstax. Includes some Australian titles.
Pressbooks
Books (including textbooks) published on the Pressbooks platform by educational institutions. Includes some Australian university titles.
Open Access Books
ANU Press
Multidisciplinary, peer-reviewed titles from Australia's first open-access university press.
AOPEN
EU-funded initiative to build a quality controlled collection of multidisciplinary, scholarly, open access content
Bloomsbury Open Access
Focus: Anthropology, Film & Media Studies, Politics and International Relations, History and Education
CRASH (Centre de Reflexion sur l’Action et les Saviors Humanitaries, working closely with MSF)
Focus: war and humanitarianism, medicine, public health and human rights
doab
Multidisciplinary: academic, peer-reviewed books from almost 400 publishers
Ingenta Open
Journals and books from a range of scholarly publishers (use the menu to access the Books list)
MIT Press Open
Multidisiciplinary collection; browse titles or search all MIT Press then filter results to open access content
Monash University Press
Multidisciplinary, with a focus on Australian art, history and culture; Education; Communication; Asian studies.
National Academies Press
Focus: sciences, health, medicine, engineering publications from the US National Academies of Sciences
NCBI Bookshelf (National Centre for Biotechnology Information, US National Library of Medicine)
Focus: books and documents in the life sciences, medicine and healthcare; includes international content
Open Book Publishers
Independent open access academic publisher with a focus on humanities and social sciences.
Taylor & Francis Open Access Books and Chapters
Includes the Humanities and Social Science Open Archive, and content from a range of areas including economics, environment and sustainability, geography, history, law, media and cultural studies, politics and sociology.
University of Adelaide Press
Small collection of scholarly titles published 2009-2018, many of which are freely available as ebooks