Opera San Francesco, for everyone OSF. For over 60 years Opera San Francesco per i Poveri, known to everyone as OSF, has been opening its doors in Milan and providing tangible assistance to men and women in need through its services guaranteed by the work of 1000 volunteers and the generosity of its donors. Friars Minor Capuchin Mission History Who we help Articles of Association Social report “Prendiamoci cura” fund Where we are Contact us