Below are website, repositories and initiatives around the world focusing on open textbooks, ancillary resources, open courseware including research into open textbooks.
- BC Open Textbook Collection
- Open educational resources list, by subject – CCCOER
- Open Education Resource Textbook List (Sacred Heart University)
- Athabasca University Press
- College Open Textbooks
- Cornell Open
- Directory of Open Access Books
- Galileo Open Learning Materials
- HippoCampus
- LibreTexts
- MERLOT II
- MIT Open Courseware Online Textbooks
- MIT Press Open
- National Science Digital Library (NSDL)
- NOBA Project Textbooks
- North Carolina Learning Object Repository (NCLOR)
- NYU Press: Open Access Books
- OER Commons
- Open Knowledge Repository
- OpenStax
- Open SUNY Textbooks
- Open Textbook Library
- Oregon State University
- Penn State University Press – Unlocked
- Project Gutenberg-Canada
- Project Gutenberg
- PhET: Interactive Simulations For Science and Math
- PDX Open (Portland State University)
- Saylor Academy Open Textbooks
- Skills Commons Open Textbooks
- SOL*R
- University of Minnesota Libraries
- University of Wisconsin Pressbooks
- Virginia Tech
- Wikibooks
Do you have a suggestion for the collection?