Groff (1.18.1):
ftp://ftp.gnu.org/gnu/groff/
最后检查于 version 1.17.2.
addftinfo, afmtodit, eqn, geqn (链接至eqn), grn, grodvi, groff, grog, grolbp, grolj4, grops, grotty, gtbl (链接至 tbl), hpftodit, indxbib, lkbib, lookbib, mmroff, neqn, nroff, pfbtops, pic, post-grohtml, pre-grohtml, refer, soelim, tbl, tfmtodit, troff and zsoelim (链接至 soelim)
最后检查于 version 1.17.2.
Bash: sh
Binutils: ar, as, ld, ranlib
Bison: bison
Diffutils: cmp
Fileutils: chmod, cp, install, ln, ls, mkdir, mv, rm, touch
Gcc: cc1, cc1plus, collect2, cpp0, g++, gcc
Grep: egrep, grep
Make: make
Gawk: awk
Sed: sed
Sh-utils: basename, date, echo, expr, hostname, uname
Textutils: cat, tr