This I did not know: Udacity available under open license
From the Udacity Legal page:
Udacity hereby grants you a license in and to the Educational Content under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs 3.0 License (http://creativecommons.org/licenses/by-nc-nd/3.0/ and successor locations for such license) (the “CC License”), provided that, in each case, the Educational Content is specifically marked as being subject to the CC License. As used herein, “Educational Content” means the educational materials made available to you through the Online Courses, including such on-line lectures, speeches, video lessons, quizzes, presentation materials, homework assignments, programming assignments, code samples, and other educational materials and tools, but, in any event, specifically excluding any Secure Testing Materials. Such Educational Content will be considered the “Work” under the terms of the CC License. “Secure Testing Materials” refers to any exams or other testing materials that are used for certification purposes.
Not sure how I missed that. The ND is limiting and raises many questions, but hey, it’s a step in the right direction.