Translator for Google Translate is an app that provides quality translations. You can translate between over 90 languages, enjoy the diverse of synonyms for each translation, listen to the pronunciation, browse though history of translations, and unpin the pop-up window and drag it wherever you want on the screen.
One World Dictionary by Ascendo is a leading multilingual reference tool for Apple desktops.
InstantTranslate makes it really easy to translate a selection of text in the application you are working in from one language to another language.
