The aim of the project is to catalyse a paradigm shift towards housing first principle in a service system for a long-term homeless people. Four finish cities are collaborated: Espoo, Helsinki, Tampere, Vantaa + several service providers from private and third sector. Projects is funded by the four cities, HDI and TEKES(The Finiish Funding Agency for Technolgy and Innivation). The Internet handbook of implementations of HF.