Open Source Textbooks

Bookboon.com
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
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

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
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.

Wikibooks
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.