VirTourARt, through scientific excellence and technological innovation, aims to develop advanced and innovative algorithms for Virtual and Augmented Rendering, robust and fast algorithms for localization, positioning, and 3D reconstruction in both indoor and outdoor environments, and cutting-edge algorithms for multimodal interaction. All these technologies will be integrated into the platform, leading to the implementation of a comprehensive Software Development Kit (SDK) and AR/VR/MR applications, to be evaluated by stakeholders in the tourism and cultural sectors.