This paper presents a manifesto directed at developers and designers of internet-of-things creation platforms. Currently, most existing creation platforms are tailored to specific types of end-users, mostly people with a substantial background in or affinity with technology. The thirteen items presented in the manifesto however, esulted from several user studies including non-technical users, and highlight aspects that should be taken into account in order to open up internet-of-things reation to a wider audience. To reach out and involve more people in internet-of-things creation, a relation is made to the social phenomenon of doit-yourself, which provides valuable insights into how society can be encouraged to get involved in creation activities. Most importantly, the manifesto aims at providing a framework for do-it-yourself systems enabling non-technical users to create internet-of-things applications.