Conversion between FrameMaker and LaTeX (both ways) and BibTeX to FrameMaker. Source code in C.

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

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.

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.

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.

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.

Converts well-formed .csv files to a LaTex document. It is written in C and can be freely customized.

Perl script running on Linux and Windows that allows anyone to easily include mathematical content in web pages. Supports TeX and GnuPlot constructs.