TeXML
- An XML vocabulary for TeX. The processor transforms TeXML markup into the TeX markup, escaping special and out-of-encoding characters. Intended audience is developers who automatically generate TeX files.
- http://getfo.org/texml/

Online LaTeX Symbols Converter
- Converts a text to a form suitable for the LaTeX document preparation system, replacing accented characters, escape characters, and other symbols with their LaTeX equivalent.
- http://w2.syronex.com/jmr/latex-symbols-converter

techexplorer
- A browser plug-in for rendering TeX, LaTeX and MathML markup. Free for individual users.
- http://www.integretechpub.com/techexplorer/

TeX4ht
- A highly configurable TeX-based authoring system for producing hypertext which interacts with TeX-based applications through style files and postprocessors, leaving the processing of the source files to the native TeX compiler.
- http://www.cse.ohio-state.edu/~gurari/TeX4ht/

latex2slides
- Produces a set of HTML/JPEG slides from a LaTeX (or TeX) source file. Documentation, download and SourceForge project page.
- http://latex2slides.sourceforge.net/

Hermes
- A semantically clean, GNU licensed, XML e-publishing tool for LaTeX authored scientific articles. Download sources or the windows binary, mailing list and general information.
- http://hermes.aei.mpg.de/

Writer2LaTeX
- A collection of utilities - Writer2LaTeX, Writer2BibTeX, Writer2xhtml, and Calc2xhtml - written in java for converting OpenOffice.org/StarOffice 6/7 documents. Source code available and program licensed under GNU LGPL.
- http://www.hj-gym.dk/~hj/writer2latex/

TeX to GIF converter for Web documents
- Perl script that compiles individual LaTeX equations into GIF images suitable for embedding in web documents.
- http://www.fourmilab.ch/webtools/textogif/textogif.html

HTeX: A Simplified LaTeX Interface for Web Documents
- Tools for formatting equations of any complexity in html documents without sacrificing the native html page layout and linking commands. DOS and Unix versions.
- http://www.gams.com/contrib/htex/htex.htm

Mathinhtml
- Perl script running on Linux and Windows that allows anyone to easily include mathematical content in web pages. Supports TeX and GnuPlot constructs.
- http://web.lemoyne.edu/~millermj/mathinhtml/

Converters between LaTeX and PC Textprocessors
- Excellent resource written and maintained by Wilfried Hennings.
- http://tug.org/utilities/texconv/

TtM
- TeX to MathML translator: translates from Plain TeX and LaTeX into HTML including the equations in the form of embedded MathML. Windows/Intel (purchase) and Linux (free) platforms. Interactive demo.
- http://hutchinson.belmont.ma.us/tth/mml/

HEVEA
- LaTeX to HTML translator. The input language is a fairly complete subset of LaTeX2e, as well as the old LaTeX style and the output language is HTML that is correct with respect to version 4.0. Binaries for Linux, Solaris, Windows; Unix source kit require
- http://para.inria.fr/~maranget/hevea/

html2latex
- A Perl script to convert a properly formatted HTML file into a properly formatted LaTeX file.
- http://html2latex.sourceforge.net/

WP2LaTeX
- Converts WordPerfect 4.x, 5.x and 6.x documents to LaTeX 2.09 and 2e. Download executables for DOS (Real), DOS (DPMI 16-DJGPP), OS/2, Linux, Sun Solaris, and Windows; full source code is also included, with documentation.
- http://www.penguin.cz/~fojtik/wp2latex/wp2latex.htm

TTH
- TEX to HTML translator. Download C source or binaries for most operating systems, free for non-commercial use.
- http://hutchinson.belmont.ma.us/tth/

LaTeX2HTML
- Converts LaTeX into HTML. The CVS development repository. Documentation and source code (in Perl).
- http://saftsack.fs.uni-bayreuth.de/~latex2ht/

FrameMaker Utilities
- Conversion between FrameMaker and LaTeX (both ways) and BibTeX to FrameMaker. Source code in C.
- http://www.cs.stir.ac.uk/~kjt/software/framemaker/