Stephen Downes

LibreTexts's new website is officially up and running. "LibreTexts is the adaptable, user-friendly open education resource platform that educators trust for creating, customizing, and sharing accessible, interactive textbooks, adaptive homework, and ancillary materials. We collaborate with individuals and organizations to champion open education initiatives, support institutional publishing programs, drive curriculum development projects, and more." Note that answers and questions in the 'assignments' section are open to only to 'Verified Instructors'. 3008 books, 2725 assets (such as MP3 videos), 4263 projects, but only 20 authors listed. I didn't find the search useful; stick to the buttons and dropdowns.