Bing translator - For Enterprise apps
Bing has a number of web services offered in addition to search. One example is the Bing translator. There is a great description of how to integrate the Bing translator engine (Ajax service via API) with enterprise search.
Find it here:
http://blogs.msdn.com/enterprisesearch/archive/2009/09/22/enterprise-search-and-bing-services-part-1-the-bing-translator.aspx