I launched a website for community-based translation of ruby-dev,
the Japanese mailling list for ruby(MRI) developers.
Please login with twitter and vote for the posts that you would like
to see translated.
You can also participate in the translation effort yourself,
either by translating posts by yourself or by correcting translations
done by others.
(The Japanese participants hope that you will help them improve their
Yutaka HARA (yhara)