tex2rtf – TeX translator, output formats include RTF
Translates LaTeX text into RTF (Rich Text Format used by Microsoft Word), into MS-Windows Help RTF, into HTML or into wxHelp. Implemented using the free C++ class library wxWindows.
Free license not otherwise listed, or more than one free license applies
convert TeX-ish sources to some other markup (than HTML)
Maybe you are interested in the following packages as well.
- tex2mail: Converts TeX to mailable "ASCII art"
- latex2man: Translate LaTeX-based manual pages into Unix man format
- latex2nemeth: Convert LaTeX source to Braille with math in Nemeth
- latex2html: Convert LaTeX into HTML documents