WP2LaTeX – Convert WordPerfect documents to LaTeX
This is a long established, supported, converter. A patch is available to use its code as an HTML to LaTeX convertor (see documentation link, below; this code is unrelated to the purpose-built HTML2LaTeX, also on CTAN).
Free license not otherwise listed, or more than one free license applies
import files in a non-TeX (or different TeX) format
dealing with word processors
Maybe you are interested in the following packages as well.
- html2latex: Convert HTML to LaTeX
- mctex: Convert VAXIMA output to (La)TeX code
- wordml2latex: XSLT to transform a WordML file to a LaTeX2ε source
- abc2mtex: Notate tunes stored in ABC notation