From OpenStax:
Introduction to Computational Biology: An Evolutionary Approach
From the About:OpenStax:
Anatomy and Physiology
Cell and Molecular Biology 3E: What We Know and How We Found Out
From the Summary:Organic Chemistry with a Biological Emphasis Volume I
From the Summary:City Tech's OER Biology Course Site includes:
LibreTexts is "a is a multi-institutional collaborative venture to develop the next generation of open-access texts to improve postsecondary education at all levels of higher learning. The LibreTexts approach is highly collaborative where an Open Access textbook environment is under constant revision by students, faculty, and outside experts to supplant conventional paper-based books."
LibreText Library is funded and produced by the University of California, Davis, the U.S. Department of Education, Merlot, and the National Science Foundation.
LibreText Biology resources include:
Biology | MIT Open CourseWare makes available course packages for both undergraduate and graduate study created by MIT Biology Department faculty, including:
Biostatistics | Johns Hopkins School of Public Heath Open CourseWare makes available course packages for both undergraduate and graduate study created by Johns Hopkins School of Public Heath faculty, including:
Each course includes: