Open Source Textbooks

Not all open texts are completely free and some platforms may require registration.

For questions about Open Source Textbooks or any of the links found on this page, please contact David Smith

General Purpose
Bookboon’s free online textbooks for students are focused and to the point. They are all written by highly respected professors from top universities in the world and cover topics such as economics, statistics, IT, engineering and natural science.

College Open Textbooks
The College Open Textbooks Collaborative, a collection of twenty-nine educational non-profit and for-profit organizations, affiliated with 200+ colleges, is focused on driving awareness and adoptions of open textbooks to more than 2000 community and two-year colleges.

CCCOER Open Textbooks
Find open and free textbooks that may be suitable for….the list of Subjects provided. For descriptions of these open textbooks, see listings in MERLOT and OER Commons. Most of the textbooks on this list have Creative Commons (CC) open licenses or GNU-Free Document License. Others are U.S. government documents in the public domain (PD).

FlatWorld shatters the traditional publishing model, delivering textbooks that meet the highest standards at a fraction of “big publisher” prices. Our streamlined, hyper-efficient process makes textbooks more accessible—putting educators and students in control.

Lumen Learning
Co-founded by open-education visionary Dr. David Wiley and education-technology strategist Kim Thanos, Lumen Learning is dedicated to facilitating broad, successful adoption of OER

Realizing the great potential in Open Educational Resources (OER), Lyryx aims at a sustainable business model of OER textbooks directly to create products and services. While the textbook is provided to students at no cost, a fair license fee is charged for the use of the online assessment in exchange for user support, editorial services to adapt the content, and all other needed supplementary material.

Open SUNY Textbooks (New York)
The mission of Open SUNY Textbooks is to provide an academic-friendly publishing model and infrastructure which supports faculty adoption, remixing, and creation of open educational resources (OER) and courses.

Open Textbook Library
Open textbooks are textbooks that have been funded, published, and licensed to be freely used, adapted, and distributed. These books have been reviewed by faculty from a variety of colleges and universities to assess their quality. These books can be downloaded for no cost, or printed at low cost.

OpenStax is a nonprofit based at Rice University, and it’s our mission to improve student access to education. Our adaptive learning technology, designed to improve learning outcomes through personalized educational paths, are currently being piloted for K-12 and college.

The Orange Grove: Florida’s Open Educational Resource Repository
Whether you’re in high school just starting to think about college or you’re already working and ready to earn or complete your degree… We’ve got the resources and support you need. FloridaShines works with the state’s 40 colleges and universities and other partners to help you succeed in school and beyond.

Pressbooks Directory
This directory provides an index of 2,547 books published across 98 Pressbooks networks” (as of 15 July 2021). Though the majority of books listed in the directory are open licensed not all are. Please make use of the “License” filter located along the left column.

Runestone Interactive
The Runestone Interactive tools create compelling interactive learning resources used by hundreds of Colleges, Universities, and High Schools around the world. Here is a list of the titles we know about. Contact us to add yours to the list.

Textbook Media Press
Since 2004, we’ve offered college students either inexpensive or premium options for their assigned textbook. Our publications are select, quality textbooks developed by professionals, and assigned by instructors.Most textbooks are available at a low price: online; online w/PDF downloads for easy printing; online with loose-leaf, and online with paperback bundles.

Wikibooks is a collaborative book authoring website, where users from all over the world work together to write textbooks and other types of instructional books on many topics. It is a Wikimedia project, operated by the same group of people who run Wikipedia, the Wikimedia Foundation.

Computer Science & Technology

This site lists free online computer science, engineering and programming books, textbooks and lecture notes, all of which are legally and freely available over the Internet.

Green Tea Press
A collection of free textbooks written by Allen B. Downey, a professor of computer science at the Franklin W. Olin College of Engineering.

World’s largest Science, Technology & Medicine Open Access book publisher.

Criminal Justice

Open Educational Resources and Administration of Justice
The curated list provided here is intended to facilitate faculty selection of an OER text in lieu of a commercial text.” from Open Educational Resources Initiative, Academic Senate for California Community Colleges


American Yawp
The American Yawp offers a free and online, collaboratively built, open American history textbook designed for college-level history courses. Unchecked by profit motives or business models, and free from for-profit educational organizations, The American Yawp is by scholars, for scholars.

Language Arts

Writing Spaces
Writing Spaces is an open textbook project for college-level writing studies courses. Each volume in the Writing Spaces: Readings on Writing series contains peer-reviewed collections of essays about writing—all composed by teachers for students—with each book available for download for free under a Creative Commons license.

Math & Science

Open Textbook Initiative of the American Institute of Mathematics (AIM)
The American Institute of Mathematics (AIM) seeks to encourage the adoption of open source and open access mathematics textbooks. The AIM Editorial Board has developed evaluation criteria to identify the books that are suitable for use in traditional university courses.

World’s largest Science, Technology & Medicine Open Access book publisher.


NOBA Project
Noba is a free online platform that provides high-quality, flexibly structured textbooks and educational materials. These textbooks and materials are licensed under the Creative Commons CC BY-NC-SA 4.0 International License. Users may reuse, redistribute, and remix the content to suit their needs.