What you can find here:

Contrib/: the sources to various packages you can't find everywhere
emacs-for-ns: the latest beta version of Emacs 19 for Nextstep
open: a replacement for NeXT's open
OS4: OS4.x related stuff (like patches to compile software under OS4)

NS.Makefiles.fix.after_install: fix INSTALLDIR in after_install
NS.secure.permissions:          secure permissions for NS
anon-pw.el:                     insert anon-pw field in outgoing mail/news
awf-rtf.patch:                  add rtf output to awf
fast-kill.el:                   fast kill files for gnus
make.ftp.INDEX:                 generate INDEX file from Description Lines
mp3:                            generate INDEX file from Description Lines
ncftp-1.9.3.patch:              compile ncftp with readline and curses
ncftp-2.0.3.after.configure.sh: compile ncftp with readline and ncurses
simple.ntp:                     update local time
syslog.newlines.pl:             find new lines in syslog files since date
watchlogs:                      retrieve new logfile entries
www.newlines.pl:                find new lines in www logiles since date