The document discusses the OpenPROF project, which aims to foster open international collaboration among professionals to develop innovative online curriculum for work-based learning using open educational resources (OER). So far, the project has created 3 training materials on OER and developed 24 OER in English and 6 courses for work-based learning including OER available on their website. Some challenges have included the need for virtual and in-person collaboration as well as translation of materials into different languages. Requirements for teachers participating include digital skills, openness, and a willingness to collaborate and innovate.