Cities of tomorrow aim at becoming intelligent cities, by planning smart urban future to drive urban innovation and improve the quality of life in sustainable ways for urban growth. Cities are becoming smart innovative communities, adopting a smart city framework to urban planning. Intelligent cities aim at making the city a smart innovative urban community. They are defining smart urban planning, enabling smartness as an ability to shape urban as well as organisational and collaborative spaces that open to social innovation. A smart city helps to shape the city of the future a smart community and engine of urban innovation. Sustainable urban future relies on smart cities and communities that support urban innovation for good life, promoting collaborative and multi-actor innovation. In Europe, cities are planning a smart city vision to drive urban growth and innovation by fostering collaborative processes and approaches for wealthy urban futures. Cities are planning a smart city future to make the city an intelligent and innovative community.