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The area of multimodal interaction has expanded rapidly. However, the implementation of multimodal systems still remains a difficult task. Addressing this problem, we describe the OpenInterface (OI) framework, a component-based tool for rapidly developing multimodal input interfaces. The OI underlying conceptual component model includes both generic and tailored components. In addition, to enable the rapid exploration of the multimodal design space for a given system, we need to capitalize on past experiences and include a large set of multimodal interaction techniques, their specifications and documentations. In this work-in-progress report, we present the current state of the OI framework and the two exploratory test-beds developed using the OpenInterface Interaction Development Environment.