BC Open Textbooks - Search or browse by subject their collection of open textbooks. Art & Design, physical & Life Sciences, Business, Computer Science, Health & Medical, Humanities, Social Sciences, and more.
California Open Online Library for Education (Cool4Ed) - Textbooks include those listed in MERLOT and in other Creative Commons depositories. Covers Arts, Business, Education, Humanities, Math & Statistics, Science & Technology, and Social Science.
Mason OER Metafinder - Search over 20 different sources of open educational materials. Search multiple OER repositories like OpenStax, OER Commons, MERLOT, HathiTrust, DPLA, Internet Archive, and NYPL Digital Collections.
MERLOT - 91,000 curated online learning materials for every field of study, ranging from open textbooks to full fledged online courses. Limited results to textbook types or by one of the eight main disciplines: Arts, Business, Education, Humanities, Health and Statistics, Science and Technology, Social Sciences, and Work Force Development.
MIT Open Textbooks and Courses - This the freely available online textbooks in MIT OpenCourseWare, some of which are e-versions of print books while others are self-published online books, or course notes which are so thorough that they serve as an alternative to a conventional textbook. Browsable by department, primarily in the sciences.
OASIS - This is a searchable collection of over 2,400 textbooks from 95 institutions, covering all major disciplines.
OER Commons - Contains over 1,000 contemporary textbooks, covering all major disciplines: Applied Science, Arts & Humanities, Business & Communication, Education, English Language Arts, History, Law, Life Science, Mathematics, Physical Science, and Social Science.
Open Textbook Library - This resource lists open textbooks by subject, including Business, Computer Science, Education, Engineering, Humanities, Journalism, Media Studies & Communications, Law, Mathematics, Medicine, Natural Sciences, and Social Sciences.
OpenStax - This provides free access to thousands of learning objects in Mathematics, Sciences, Social Sciences, Humanities, Business, and more.
Teaching Commons - This resources contains textbook and other open educational resources from colleges and universities around the world. It is both searchable and browsable by content type and subject area.