Shoestring is a framework for creating immersive, collaborative multimedia experiences. Using Unity, Max/MSP, and Open Sound Control, we are able to share and visualize data from various computing and mixed reality devices such as the HoloLens and Vive VR headsets. A variety of professionals, such as scientists, artists, and presenters will be able to develop engaging experiences that are rich in information and enable spatialized, real time interactivity.