Panopreter Plus includes several languages by default, such as English, Spanish (from Argentina, Chile, Mexico, Spain, and the United States), Chinese, Russian, and Catalan. Unfortunately, in this trial version you can only listen to the American English voice (there's also a British English voice).
Panopreter Plus is a pretty interesting program that reads any piece of text that you copy into it, no matter how big it is. It's pretty useful, for instance, to listen to an article while you're sprawled on the couch or in bed.
The trial version only works for 30 days. English is the only language you can listen to.