Massless Limited specializes in the development of hardware and software that facilitate three-dimensional interactions within augmented and virtual reality environments. Founded in 2014 and based in Cambridge, United Kingdom, the company is best known for its flagship product, the Massless Pen, a digital stylus designed for both 2D and 3D applications. In 2D mode, it functions as a computer-vision based graphics tablet, optimizing desk space, while in a virtual reality setting, it offers precision and intuitive control for designers and engineers. Massless also develops tools for modeling and manipulating large 3D datasets in real time, providing features such as high pen precision, optical tracking, tactile feedback, and surface sensing.