Bar code labels, encrypted and encoded; recorded computer software for database management and for creating searchable databases; recorded computer software for database management; recorded computer software for creating searchable databases; recorded computer software platforms that enable the user to register their personal property items by creating a machine-readable code to be attached to them, for transmitting messages to the user when such items are lost or misplaced items; downloadable mobile application that enables the user to register their personal property items by creating a machine-readable code to be attached to them, for transmitting messages to the user when such items are lost or misplaced items; downloadable software in the nature of a mobile application for registering, identifying and managing personal properties