Opera Software, know for their browser of the same name and a strict adherence to web standards, recently released 23 articles of their Web Standards Curriculum for free under a CC BY-NC-SA license, with 30 more to follow in the coming months. The WSC is intended to teach “standards-based web development, including HTML, CSS, design principles and background theory, and JavaScript basics” and has the approval of a variety of organizations including Yahoo! and The Web Standards Project.