David, Sorry, my email isn't receiving the e-mails from this list. I Don't know why. Therefore, I only saw your email today...
We developed this converter using the odfpy library for python 2.4 to use in Plone. This software detects merge columns, and some style like, bold, italic and underline, Now we are developing for all tags and styles from html. regards, Gabriel M. Monnerat Ronaldo Amaral Santos Rafael dos Santos Gonçalves