Provides classes which allow developer to model a game or app using a component-based architecture, as well as a default set of cross-platform services to connect every component of each target platform
Libsurvive is a set of tools and libraries that enable 6 dof tracking on lighthouse and vive based systems that is completely open source and can run on any device. It currently supports both SteamVR 1.0 and SteamVR 2.0 generation of devices and should support any tracked object commercially...
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HoloJS is a JavaScript runtime for AR and VR graphics things. It provides unified rendering for AR (HoloLens), VR (Windows Mixed Reality headsets) and 2D desktop using standard WebGL/WebVR scripts. HoloJs can be embedded in Win32 and UWP apps.