Computer hardware for optical motion sensing and tracking, as well as for capturing gesture, facial and voice recognition, consisting of electronic sensors, cameras, microphones, and projectors, namely, LED light emitters and electromagnetic and sound emitters; computer hardware and software systems, comprised of stand-alone computer peripheral devices, as well as hardware and software for third party manufacturers and software developers to embed into their products, for enabling optical motion sensing and tracking, and touchless responsive operation and control of third-party manufacturers' and software developers' computational and entertainment devices; computer software, in the nature of a software development platform allowing third parties to enable their applications and equipment to be controlled using optical motion sensing and tracking; computer software for optical motion sensing and tracking, and for enabling touchless responsive operation and control of third party computing and entertainment devices and global, communication, and entertainment networks