SPARC (the Scholarly Publishing and Academic Resources Coalition) defines Open Educational Resources (OERs) as teaching, learning, and research resources released under an open license that permits their free use and repurposing by others. OERs can be textbooks, full courses, lesson plans, videos, tests, software, or any other tool, material, or technique that supports access to knowledge.
Open Textbooks
Open Access Journals
Public Domain Material Online
- Internet Archive
- Copyrighted works are available for a limited time through the Internet Archive's National Emergency Library. Please use your best judgment when accessing these works and make a good faith effort to comply with fair use principles.
- Gutenberg Project
- Hathi Trust
- Librivox
Open Access Search Tool