OpenStax, a publishing initiative of Rice University, develops high-quality, peer-reviewed, openly licensed college textbooks that are absolutely free online and low cost in print.
Milne Library Publishing at SUNY Geneseo manages and maintains Milne Open Textbooks, a catalog of open textbooks authored and peer-reviewed by SUNY faculty and staff.
An open education project out of British Columbia that encourages educators to review, use and create open educational resources. Many of the resources are geared towards Canada. However, they make it easy to find and use textbooks and provide other information about using OER.
From a single point of access in OER Commons, you can search, browse, and evaluate resources in OER Commons' growing collection of over 50,000 high-quality OER.
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 72 different sources and contains 171,277 records.
The MERLOT system provides access to curated online learning and support materials and content creation tools, led by an international community of educators, learners and researchers.
Project Gutenberg offers over 57,000 free eBooks. Choose among free epub books, free kindle books, download them or read them online. You will find the world's great literature here, with focus on older works for which copyright has expired.
