Tate [tah te'] is a text editor that enables you to type traditional vertically arranged Japanese text (as seen in Manga comics written in Japanese). Also you can type phonic texts ( furigana, or "Ruby") to Kanji (Chinese characters) and Kanbun markers, which were used to read Chinese literatures in Japan in the past time.
InstantTranslate makes it really easy to translate a selection of text in the application you are working in from one language to another language.
One World Dictionary by Ascendo is a leading multilingual reference tool for Apple desktops.