Japanese Vocab is an application to help people study their Japanese vocabulary. Included are over 2500 words. Each word is written in either hiragana or katakana and many come with their kanji character equivalents. An English pronunication guide is available if needed. Other than browsing, people can also do tests of what they have learnt, with their test results displayed graphically.
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.
