What tools are available for TeX and LaTeX?
A great many, including at least these: amslatex, amstex, autofont-mktexpk, autofont-mktextfm, chkdelim, chktex, detex, disdvi, doamslatex, doamstex, dolatex, doslitex, dotex, dvi2text, dvi2text, dvi2tty, dvialw-type1, dvialw, dvibit, dvibook, dvica2, dvican, dviconcat, dvicopy, dvidot, dvidsk.sh, dvihl8, dviimp, dviinfo, dvijep, dvijet.sh, dvikyo, dvilzr, dvipdf, dvips-type1, dvips, dviselect, dvitodvi, dvitype, etex, fig2ps2tex.sh, fig2ps2tex, gftodvi, grodvi, initex, lacheck, lamstex, latex209, latex2e, latex2gif, latex2html, latex, lookbibtex, ly2dvi, MakeTeXPK, man2texi, midi2tex, musixtex, nlatex, nxdvi-old, nxdvi, old-dvialw, old-dvidot, old-dvijep, pod2latex, rtflatex, slitex, tex2mail, tex, texexpand, texi2dvi4a2ps, texi2dvi4a2ps, texi2dvi, texi2dvi, texi2html, texi2pdf, texindex, texinfo2man, texinfo, texmacs, texpretty, tgrind, vgrind, virtex, xdvi-old, xdvi, and xdvimakepk.
