Open Educational Resources

Archive of Flat World Knowledge Textbooks

These sites are archives of FWK textbooks, collected in November 2012, before FWK dropped their free access in Jan 2013. All of these books were gathered from the publicly accessible, Creative Commons CC-BY-NC-SA licensed content.

This site is in no way affiliated with or endorsed by Flat World Knowledge. offers a huge range of over 1500 free quality eBooks for university students, business professionals and globe trotters. Our books can be downloaded directly in PDF format, and are currently available in seven languages for everyone around the world.

Boundless Learning

We create our textbooks by finding the best content from open educational libraries, government resources, and other free learning sites. We tie it all together with our proprietary process, resulting in great textbooks at the greatest price—free! With Boundless, you can be confident you're getting the best content for your students. Boundless Learning ceased operations in September 2017. Their contact is now being hosted by Lumen Learning.

College Open Textbooks

The Community College Open Textbooks Collaborative is funded by The William and Flora Hewlett Foundation. This collection of sixteen educational non-profit and for-profit organizations, affiliated with more than 200 colleges, is focused on driving awareness and adoptions of open textbooks to more than 2000 community and other two-year colleges. This includes providing training for instructors adopting open resources, peer reviews of open textbooks, and mentoring online professional networks that support for authors opening their resources, and other services.

Creative Commons

Creative Commons is a nonprofit organization that enables the sharing and use of creativity and knowledge through free legal tools.

Google Advanced Search

Search for Creative Commons content and narrow your results.

Google Scholar

Google Scholar provides a simple way to broadly search for scholarly literature. From one place, you can search across many disciplines and sources: articles, theses, books, abstracts and court opinions, from academic publishers, professional societies, online repositories, universities and other web sites.

Khan Academy

Khan Academy is an organization on a mission. We're a not-for-profit with the goal of changing education for the better by providing a free world-class education for anyone anywhere.


MyOpenMath runs on the free, open source, IMathAS platform, providing free hosted use of this platform in support of free, open textbooks. The intent is to provide classroom use of the platform, without any added cost to students, for schools unable to host their own install of the IMathAS platform, and to provide students self-study opportunities.

OpenStax College

OpenStax College offers students free textbooks that meet scope and sequence requirements for most courses. These are peer-reviewed texts written by professional content developers. Adopt a book today for a turnkey classroom solution or modify it to suit your teaching approach. Free online and low-cost in print, OpenStax College books are built for today’s student budgets.

Available textbooks:


TED is a nonprofit devoted to Ideas Worth Spreading. It started out (in 1984) as a conference bringing together people from three worlds: Technology, Entertainment, Design. Since then its scope has become ever broader. Along with two annual conferences -- the TED Conference on the West Coast each spring, and the TEDGlobal conference in Edinburgh UK each summer -- TED includes the award-winning TED Talks video site, the Open Translation Project and TED Conversations, the inspiring TED Fellows and TEDx programs, and the annual TED Prize.

Carnegie Mellon Open Learning Initiative

The Open Learning Initiative offers online courses to anyone who wants to learn or teach. Our aim is to combine open, high-quality courses, continuous feedback, and research to improve learning and transform higher education.

Carnegie Mellon Open Learning Initiative:

OLI Dashboard:

OLI Courses:


CK-12 provides open-source content and technology tools to help teachers provide learning opportunities for students globally.  Free access to high-quality, customizable educational content in multiple modalities suited to multiple student learning styles and levels, will allow teachers, students and others to innovate and experiment with new models of learning.

FlexBook search:

Community College Consortium for Open Educational Resources (CCCOER)

The Community College Consortium for Open Educational Resources (CCCOER) is a joint effort by the Open Courseware Consortium, OER Center for California, League for Innovation in the Community Colleges, and many community colleges and university partners to develop and use open educational resources,  open textbooks, and open courseware to expand access to higher education and improve teaching and learning.

Digital Public Library of America

The DPLA is leading the first concrete steps toward the realization of a large-scale digital public library that will make the cultural and scientific record available to all.


HippoCampus is a project of the Monterey Institute for Technology and Education (MITE). The goal of HippoCampus is to provide high-quality, multimedia content on general education subjects to high school and college students free of charge.


MERLOT is a free and open online community of resources designed primarily for faculty, staff and students of higher education from around the world to share their learning materials and pedagogy.

MIT OpenCourseWare

MIT OpenCourseWare (OCW) is a web-based publication of virtually all MIT course content. OCW is open and available to the world and is a permanent MIT activity.

The National Repository of Online Courses (NROC)

The National Repository of Online Courses (NROC) is a growing library of high-quality online course content for students and faculty in higher education, high school and Advanced Placement.

OER Commons

OER Commons, publicly launched in February 2007, to provide support for and build a knowledge base around the use and reuse of open educational resources (OER). As a network for teaching and learning materials, the web site offers engagement with resources in the form of social bookmarking, tagging, rating, and reviewing.

Open Course Library

The Open Course Library is a collection of expertly developed educational materials – including textbooks, syllabi, course activities, readings, and assessments – in 81 high-enrollment college courses. 42 courses have been completed so far, providing faculty with a high-quality, affordable option that will cost students no more than $30 for textbooks.

OpenCourseWare Consortium

The OpenCourseWare Consortium is a worldwide community of hundreds of higher education institutions and associated organizations committed to advancing OpenCourseWare and its impact on global education.

Peer 2 Peer University

Peer 2 Peer University (we mostly just say P2PU) is a grassroots open education project that organizes learning outside of institutional walls and gives learners recognition for their achievements. P2PU creates a model for lifelong learning alongside traditional formal higher education. Leveraging the internet and educational materials openly available online, P2PU enables high-quality low-cost education opportunities.

The Open University

The Open University is a world leader in modern distance learning, the pioneer of teaching and learning methods which enable people to achieve their career and life goals studying at times and in places to suit them.

Since 2008, the Foundation's free education initiative ( has focused on exploring the promise of the Internet to drive the cost of education to zero and expand access to quality open educational resources (OER). Toward this end, we have built over 270 free, self-paced, online courses, with many more on the way.

Connexions Consortium

The Connexions Consortium is a group of organizations and individuals, including the world's foremost leaders in education, who work together to advance open source educational technology and open access educational content.


The Lumen team brings your institution deep expertise in the adoption and effective use of open educational resources (OER), design of highly effective online and technology-enhanced instruction, analysis of learning with a focus toward improving results, community collaboration practices, and innovation in technology-enhanced teaching and learning.

The Public Knowledge Project

The Public Knowledge Project is dedicated to improving the scholarly and public quality of research. It operates through a partnership among Simon Fraser University, the School of Education at Stanford University, the University of British Columbia, the University of Pittsburgh, the Ontario Council of University Libraries and the California Digital Library.