groff (GNU roff) is a typesetting system that reads plain text input files that include formatting commands to produce output in PostScript, PDF, HTML, or DVI formats or for display to a terminal.
cd Ports/groff
./package.sh
Website: https://www.gnu.org/software/groff/
Port: https://github.com/SerenityOS/serenity/tree/master/Ports/groff