lyx: LyX (a document processor)
lyx:
lyx: LyX is a document processor that encourages an approach to writing
lyx: based on the structure of your documents, not their appearance. It is
lyx: released under a Free Software / Open Source license.
lyx: 
lyx: LyX is for people that write and want their writing to look great, right
lyx: out of the box. No more endless tinkering with formatting details, 'finger
lyx: painting' font attributes or futzing around with page boundaries. You just
lyx: write. In the background, Prof. Knuth's legendary TeX typesetting engine
lyx: makes you look good.