ProTranslate is a multi-language translator that lets you translate any word, phrase or entire sites. You can enter the text by voice or keyboard. The tool comes with numerous functions including translation history and speech synthesis of the available text, for all languages.
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.
