Since the upcoming 0.5 release finally supports i18n, we are looking for translators. We currently have a French and Spanish translation, Dutch is work in progress. The German translation is only partly finished (and even partly incorrect), and we are of course interested in all other languages as well.
If you are interested in translating, please let us know so that we can avoid duplicating work (and get you in touch with fellow translators so that you can distribute the work). Instructions for translators are in the wiki: