Just in case you haven’t seen our latest Blog Post: http://www.freepbx.org/news/2014-03-10/japanese-language-support-plus-major-upgrades-to-freepbx-localization-tools
FreePBX is now using Weblate for translations and localizations into other languages. You can view more information on our wiki here: http://wiki.freepbx.org/display/DC/Translating+FreePBX+with+Weblate
Or visit http://weblate.freepbx.org/ directly to view the current status of translations.