■1 Rabbit: a presentation tool for the rubyists and the non-rubyists(for now) Introduction In the Japanese-speaking Ruby community, we have some remarkable products made with Ruby. As already mentioned by @makoto_inoue and @a_matsuda, particularly "Big In Japan" products are: tDiary("blog" tool running on this web page), qwik(integrating mailing list and wiki) and Rabbit(presentation tool). Today