Courses and textbooks from a variety of well-known universities.

California State University Campaign enables faculty to choose and provide quality educational content that is more affordable for their students

Pathfinder to OERs in business-related disciplines, from the ALA's Business Reference & Services section (BRASS).

Driving Awareness and Adoption of Open Textbooks.

View and share educational materials made of small knowledge chunks called modules that can be organized as courses, books, reports, etc. Anyone may view or contribute.

Stanford, UC Berkeley, U Michigan collaborate for free college level classes

Open access journals. Many article collections making coherent ebooks.

Lectures, language lessons, films, labs, audiobooks, tours

Lectures - often based on Wikipedia. (Sigh)

Indexes courses and textbooks from all over the Internet. Read reviews by members evaluating every included item.

Courses and textbooks from MIT.

Marginal Revolution University. Teaching Development Economics.

Openly Available Sources Integrated Search. Developed at the State University of New York at Geneseo’s Milne Library.

Intended to provide 81 high enrollment, general education, and pre-college courses textbooks. Preview, download or view courses

Collaboration of higher education institutions and associated organizations from around the world creating a broad and deep body of open educational content using a shared model.

Millions of records. Full-text of items from novels to textbooks

Open textbooks.

Open textbooks are published under a license that enables students to get free or low-cost versions of their textbooks online, electronically, or in print. The Open Academics catalog is the first of its kind hosted at a major research institution. It is available to faculty worldwide.

Free ebooks in a variety of categories.

Books by leading experts, peer‑reviewed and developed to high editorial standards, fully supported by review copies, teaching supplements and great service. Low-cost downloadable or even lower cost for online only reading.

Lots of categories including fiction, non-fiction, magazines, and audio.

From Textbook Media Press, business books, previously published by the "oligarchs". Four different online/downloadable ways to access books each at a different price. Books are not free.

States unequivocally that the technology books are NOT pirated and comes from the sites of authors and publishers.

Lots of topics. Links out to other open book sites: libraries and universities.

Free, legal and mostly self-published.

Computer books freely available for download

By Barbara Illowsky and Susan Dean, faculty members at De Anza College in Cupertino, California

Free and available and online. Not textbooks - but they could be and certainly supporting content.

From the California Digital Initiatives Textbooks

Written by R. Preston McAfee

Metasearch over thousands of booksellers intended to help you purchase the book at the cheapest available price.

NOT free, but much reduced if you are willing to use online

NOT free but less expensive than print.

Less expensive print textbooks and many free electronic books.

Purchase electronic textbooks

Buy it online for less.

Identify earlier editions of textbooks that sell for less if your professor will let you use an earlier edition.

Allows you to purchase textbooks online or just chapters.

Rent textbooks

Open content texbtbooks that YOU can edit yourself.