VRPN /Main/Engine/Plugins/VirtualProduction/LiveLinkVRPN/ThirdParty/VRPN VRPN is an open source library to provide real-time position, orientation, and other tracking data from various Virtual Reality hardware devices without the need for individual drivers or software. https://github.com/vrpn/vrpn/wiki/License Licensees Git P4 /Main/Engine/Source/ThirdParty/Licenses