The SPARCS City Forum, an internal project event, was held online on the 16th of May from 9:30 to 11:30 CET. The topic of the forum was ‘Urban Data Platform: Experiences from the Project Cities Leipzig and Maia’, with the objectives encompassing the garnering of knowledge and experiences of the Project Cities for others to gain a deeper understanding of the concept and operations involved. The Forum was organised by Fraunhofer, joined by the experts from the Cities of Leipzig and Maia. Around 30 project participants attended the event.