DocBook to LaTeX Publishing transforms your SGML/XML DocBook documents to DVI, PostScript or PDF by translating them in pure LaTeX as a first process. MathML 2.0 markups are supported too. It started as a clone of DB2LaTeX.
Latexss is a program that can transform a text file with a very minimal style syntax into a self contained LaTeX spreadsheet powered by the fp package. A graphical front-end (klatexss) is provided to generate both the text and the LaTeX file.