crowbarDMG is a dictionary attack tool for DMG and Spareimage files for Macs. One decent feature of this little app is that it updates itself whenever an update is released by its author. The utility is faster when it's used so no powerful mac is necessary to run it.
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.
