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"OpenStax textbook projects are developed and peer-reviewed by educators to ensure they are readable and accurate, meet the scope and sequence requirements of each course, are supported by instructor ancillaries, and are available with the latest technology-based learning tools."
"The College Open Textbooks Collaborative, a collection of twenty-nine 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."
Includes Textbook Content Reviews submitted by educators & professionals in the field
"The preeminent Internet publisher of literature, reference and verse providing students, researchers and the intellectually curious with unlimited access to books and information on the web, free of charge."
"digital preservation repository and highly functional access platform. It provides long-term preservation and access services for public domain and in copyright content from a variety of sources, including Google, the Internet Archive, Microsoft, and in-house partner institution initiatives."
"over fifteen hundred videos from MIT, Stanford, Berkeley, Harvard, Princeton, and Yale. We are adding more every day. Some of these are grouped into courses, which each contain anywhere from 4 to 50 lectures."
"Lecturefox is a free service. You can find high-quality classes from universities all over the world. We collect without exception lectures from official universities, and we have a special interest in lectures from the faculties physics, chemistry, computer science and mathematics. In the category “faculty mix” you can find miscellaneous lectures from other departments like electrical engineering, biology, psychology, economics, history and philosophy."
"Explore our more than 3,500 titles available online — Arts and Humanities | Business and Economics | Computer Science and Engineering Health and Medicine | K-12 and Education | Sciences | Social Sciences"