In addition to the ubiquitous text password a great variety of other authentication schemes have been proposed. Yet, only very few of the alternatives find their way to practical application. It has been proposed to support decision makers when choosing the most suitable scheme for their application scenario, thereby fostering the adoption of alternatives. In this paper we present ACCESSv2, a collaborative authentication research and decision support platform. It comprises three modules: (1) an information module, which holds and enables access to systematised information about available authentication schemes, (2) a decision support module, that helps decision makers and developers to choose the most suitable scheme for their application scenario, and (3) a collaboration module, which allows experts to contribute to the information module’s knowledge base.