9 Apparatus for recording, transmission or reproduction of text, sound or images; digital, magnetic, optical recording media; digital, magnetic, optical data carriers; apparatus for recording time, timestamping; Software; synchronization software between servers and/or computer units and/or remote electronic units; certification software for recording and storing data in the field of legal archiving; automation software for processes of legal archiving of physical and/or digital data; historization and/or traceability software in the fields of transmission and legal archiving of physical and/or digital data; security and/or cryptography software in the fields of transmission and legal archiving of physical and/or digital data; manual and/or automatic indexing software in the fields of transmission and legal archiving of physical and/or digital data; secure visualization software for files in multiple formats; software for backing up, storing, recovering and restoring data, folders and files