AR.js is a new JavaScript solution that offers highly efficient augmented reality features to mobile developers. With HoloJS released a few months back, there is a potential that the free AR.js, developed by Jerome Etienne, could work with the Microsoft HoloLens as well.
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According to the GitHub repository for the project, the listed features of the API are:
Very Fast: It runs efficiently even on phones. 60 fps on my 2 year-old phone!
Very Webby: It is a pure web solution, so no installation required. Full javascript based on three.js + jsartoolkit5
Free and Open: It is completely… more
Source: Free & Open-Source JavaScript Solution for Augmented Reality Comes to Life on Mobile
