TeX4ht
TeX4ht is a system for converting documents written in TeX/LaTeX/ConTeXt/etc. to HTML, various XML flavors, braille, etc., optionally using MathML.
TtM
TtM translates from Plain TeX and LaTeX into HTML including the equations in the form of embedded MathML.
Cassiopeia
Scientific Wordprocessing Software for MacOS X, MathML based equation editor, LaTeX export
latex2html
latex2html is a convertor written in Perl that converts LATEX documents to HTML. This way e.g. scientific papers - primarily t ...
LaTeXML
In brief, latexml is a program, written in Perl, that attempts to faithfully mimic TeX’s behaviour, but produces XML instead o ...
latex2rtf
latex2rtf is a translator program to convert LaTeX formatted text files into “rich text format” (RTF) files. RTF is a publishe ...