The OpenOffice Writer has an export filter that allows you to author in OpenOffice and then save your document in wiki format.
==== [http://code.google.com/p/pandoc/ pandoc - Google Code] ====
Pandoc is a Haskell library for converting from one markup format to another, and a command-line tool that uses this library. It can read markdown and (subsets of) reStructuredText, HTML, and LaTeX, and it can write markdown, reStructuredText, HTML, LaTeX, ConTeXt, Docbook XML, OpenDocument XML, GNU Texinfo, RTF, ODT, MediaWiki markup, groff man pages, and [[Presentations|S5 HTML slide shows]].
[[Category:Wiki]]