DL #1: Just an old address book utility for classic Macs. Should work
on System 5 but not sure. The download contains version 1.0 in a
folder.

DL #2: Version 2.0 of this utility, dated 1991. The download contains
images of the Program and Samples floppy disks, as distributed.

Compatibility
Architecture: 68k

Monochrome or Color Monitor