816 open textbooks that are licensed by authors and publishers to be freely used and adapted. Download, edit, and distribute them at no cost. The Open Textbook Library is supported by the Open Education Network. Reviewed by faculty.
OER Commons is a public digital library of open educational resources. Explore, create, and collaborate with educators around the world to improve curriculum.
Openly Available Sources Integrated Search (OASIS) is a search tool that aims to make the discovery of open content easier. OASIS currently searches open content from 117 different sources and contains 388,707 records.
A federated search built by George Mason University, this OER finder searches many collections at once (OpenStax, OER Commons, MERLOT, HathiTrust, DPLA, and many more).
Provides access to career and educational resources including tutorials, tests, and handbooks. Includes: ACT, GED, U.S. Citizenship, basic skills improvement, and career certification test prep including NCLEX-RN and PN among many more. Also available through Learning Express: Workforce Skills for 21st Century Success Computer Skills Center
