Itadaki is a Japanese language toolset for OpenOffice. It offers features intended for students and translators, including furigana (reading) annotation for Japanese text and an integrated dictionary.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.