This chapter presents a comparison of the frameworks described in the previous chapters of this book (see Chaps. 3, 4, 5, 6, 7, 8, 9, and 10). The comparison is drawn across the metamodel and the technology platforms that support each framework. By metamodel we mean the abstract or formal representation that serves to model an arbitrary Model for Social Coordination (M4SC); i.e., the model describing the elements of each of the frameworks, as presented in the previous chapters. By platform we mean the collection of technological constructs that are used to implement a model of a framework.