We are pleased to present the official program for the Poster Session of the 15th AIUCD Annual Conference, taking place in Cagliari from June 3rd to 5th, 2026. The poster session is a cornerstone of our conference, providing a dedicated space for direct and in-depth dialogue among researchers, scholars, and industry professionals. The selected contributions explore the frontiers of Digital Humanities, with a specific focus on Public Engagement and active participation within the field.