This document discusses a case study on collaborative authoring of open courseware using SlideWiki. The goals of the project are to further develop the SlideWiki platform in areas like scalability and usability, integrate it with other tools, and validate it through large-scale real-world usage pilots in domains like secondary education, professional training, and higher education. SlideWiki aims to leverage collaboration through multi-platform delivery, asynchronous multi-lingual content creation, and accessibility on mobile devices. Pilots will be conducted in schools, vocational training, universities, and for MOOCs. Community workshops and feedback highlight needs for improving open educational content creation and discoverability. Next steps include ongoing community engagement and platform development based