About COT Education

At COT Education, we are working to lower the cost of education for all learners. A registered 501(c)(3) corporation, our mission is to create and support programs that increase access to affordable lifelong learning for everyone. We are a group of passionate volunteers who provide thought leadership to the open education community and maintain College Open Textbooks, one of the premier resources for finding open, affordable, college-level learning materials. Join us as we work to ensure that everyone has access to quality, affordable, lifelong learning. Mission The mission of COT Education is to create and support programs that increase a...

College Open Textbooks

College Open Textbooks (COT) is one of the premier resources for locating and adopting open-licensed textbooks and other Open Educational Resources (OER). Each year, many thousands of educators, administrators, and students visit COT. COT offers: ...

The COT Collection

The COT Collection offers curated open-licensed textbooks combining print and electronic formats in one affordable package. We select from among the very best open textbooks that are applicable to the most popular lower-division college courses. Each package i...

The COT AhaLibrary

COT Education is excited to introduce the COT AhaLibrary, a unique collection of AhaBooks. These books provide free content that you can use in all of your social media channels. ThinkAha, a sponsor of COT Education, has generously provided use of their Aha...