Innovation promotes social development in science and technology. This reflection paper addresses it from two analytical perspectives: knowledge management and citizen participation. These two concepts must be considered to fully understand the intrinsic relationship among creative social innovation projects. The latter do not only solve specific problems, but also encourage collective action and inclusion. During their implementation, a great deal new of knowledge is generated, and this is essential to make a real impact on society or a target community. A detailed review was conducted to find signs of collaborative attitudes that foster values for the common good in democratic stability of communities seeking to innovate while solving complex social issues. This article aims to delve into the concepts of social innovation, knowledge societies and their contribution to science, technology and society.