MERLOT is a curated collection of free and open online teaching, learning, and faculty development services contributed and used by an international education community
This resource provides textbooks on geography that are available as freely downloadable PDFs.
Many free read-online or free PDF download options.
Both a collection of open access publications and a publishing platform with a focus on social sciences and humanities.
OER Commons provides a curated collection of textbooks and resources for geography.
This website is dedicated to providing free or open curriculum and resources to anybody who is interested in our geographic world. Includes many textbooks on geography and geospatial technology.
The BCcampus Open Education OER by Discipline Guide lists a wide range of open educational resources, including textbooks and courses, organized by discipline.