Menutab Translate is a simple and efficient translation tool that currently supports 80 languages. The program installs on the menu bar of your Mac so that you can call the app whenever necessary. The utility supports being launched with customizable hotkeys.
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.
