StanPssw: Password Protection Utility

        Stan Security System is a complete software distribution and
        protection system for DOS. Its eight modules cover all areas
        of software security: encryption, password protection,  copy
        protection,  run and date meters,  proof of authorship, data
        access control, archiving and compression, installer routine
        generation. Sophisticated installation and archiving modules
        can be used even when software security is not an issue.
        Shareware.