American Sign Language is a brilliant app that will introduce you to the world of communication by the use of the sign language. There are an incredible 176 easy to follow video lessons that will soon teach you the basics and get you up and running in no 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.
