dlh is a fast LaTeX-to-HTML translator written in C that can handle most of LaTeX. It features not invoking LaTeX for any purpose; with the exception of figure support it's completely independent of any other program. In particular, it generates all cross-references and table of contents in a single run Tables are supported and translated into HTML3 tables, and PostScript figures (\psfig command) are supported (requires GhostScript and pnmtogif to translate PS into GIF files).
LaTeX is a document preparation system for high-quality typesetting based on TeX. It is most often used for medium-to-large technical or scientific documents, but it can be used for almost any form of publishing. It is not a word processor; instead, it encourages authors not to worry too much about the appearance of their documents, but to concentrate on getting the right content.
The Project Gutenberg Markup Tool is a command-line tool with a GUI front-end that automatically creates an HTML or LaTeX file from a Project Gutenberg etext. The aim is to provide publication-quality formatted etexts, without manual markup, in conjunction with post-processing by other pre-existing tools. It is tailored specifically to Project Gutenberg etexts, but can in some cases be used for other plain-ASCII etexts.
Jade Tex is a TeX macro package for processing the output from Jade/OpenJade in TeX (-t) mode. It is part of the standard DSSSL Jade-based toolchain to produce PostScript or PDF from SGML/XML documents. It produces output either as a DVI file, or directly to PDF when using pdfjadetex.