From 19 to 21 September 2021, the FOSS4G-IT 2021 annual event showcased presentations, workshops and discussions on free and open-source geographic software and data. The three days event, jointly organised by GFOSS.it and Wikimedia gathered developers, users, decision-makers ad observers of the open Source geo community. On 21 September, Marco MINGHINI and Emanuela EPURE of the European Commission’s Joint Research Centre ( JRC), and Gabriele CIASULLO and Antonio ROTUNDO of the Agency for Digital Italy (AgID) presented in the session on “Management of Registries in Data Infrastructures: the…