I think you will like these two desktop alternatives to the above-- so you pays no money and takes your choice!
With this program there are a few useful add -ons accessible from bottom of main page ....namely currency converter, weights & measures converter, international dialling codes, international time zone converter and a periodic table of the elements...Plus the option of having the translations spoken ..........
You can also download extra free dictionaries to the program.
So if this sounds like your kind of thing get it at,↓
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This little program has added features like compile your own dictionary, an accuracy monitor and reverse translation.
If this is more to your liking go to, ↓
http://www.codeplex.com/LanguageTranslator
Power to the freebies 
