GNUEmacs	GNU Emacs editor (highly recommended)
 TeX            TeX typesetting program (highly recommended)
 astro		Astronomy software
 audio		Audio (sound) software
 commercial	Demos, pictures of, and patches+updates of commercial software
 dbms		Database management systems
 emulations	Emulation of other computers and operating systems
 fonts		Font software
 gcc		GNU C language compiler gcc (highly recommended)
 graphics	Graphics software
 ham		Ham software (radio-amateurs)
 icons		Icon software
 misc		Miscellaneous applications
 ps		PostScript software