G-Kermit for UNIX files:

ANNOUNCE      Announcements
COPYING       License
README        Documentation (plain text)
gkermit.nr    Nroff source for man page

Source code:

gkermit.h     G-Kermit header file
gkermit.c     Main module
gcmdline.c    Command-line parser
gproto.w      Kermit protocol module
gproto.c      (Generated from gproto.w)
gunixio.c     UNIX i/o
gwart.c       Generates gproto.c from gproto.w
makefile      Makefile

More info:  http://www.columbia.edu/kermit/gkermit.html