Babel Fish -  Run by AltaVista, Babel Fish provides the online text and web page language translation in an instant.

World 2 World Language Resources - Breaking the barriers of language through learning. Dictionaries, language courses, language chat, automatic translation available across a very wide range of languages.

Translation Town - Marketplace for translation service buyers and professional translators. Free online translation. Find a translator or sell your translations directly online, a great place if you have a large translation to be completed.

World Reference - French, German and Spanish online dictionaries with online translation facility.

Translators.com - Professional online based translation company.  Does not provide free instant online translation services.