Groff-Base
- eqn(1) format equations for troff or MathML
- geqn(1) format equations for troff or MathML
- gpic(1) compile pictures for troff or TeX
- groff(1) front-end for the groff document formatting system
- grog(1) guess options for a following groff command
- grops(1) PostScript driver for groff
- grotty(1) groff driver for typewriter-like devices
- gtbl(1) format tables for troff
- neqn(1) format equations for ASCII output
- nroff(1) use groff to format documents for TTY devices
- pic(1) compile pictures for troff or TeX
- preconv(1) convert encoding of input files to something GNU troff \
- soelim(1) interpret .so requests in groff input
- tbl(1) format tables for troff
- troff(1) the troff processor of the groff text formatting system