This deliverable summarizes the technical implementation of the online JoinUs4Health platform, which was designed to promote inclusive innovation and engagement of different societal groups in cohort research. The platform and processes were designed to provide safe spaces for structured exchanges linking consultative mechanisms with deeper co-creation processes in smaller teams. Platform contents are publicly accessible. Registered users (minimum age: 16 years) can submit suggestions, vote or comment on other users’ suggestions and provide contributions via Tasks or Teams. This document describes the technical platform implementation, the platform design, possibilities for external hosting and outlook.