Official Slackware Packages that are replaced by FRG
  some of these are only replaced if you do a full install

abiword
atk
audiofile
esound
fribidi
gaim
gftp
gimp
glib2
gtk+2
gucharmap
libart_lgpl
libglade
libgsf
libgtkhtml
libidl
librsvg
libwmf
libwpd
libxml2
libxslt
pango
shared-mime-info
startup-notification
udev (not replaced by default, requires user to manually install it)
xchat
xscreensaver