Google Translation
Provided by Google, this translation tool enables you to translate a text in 18 language combinations.
http://www.google.com/language_tools?hl=en

Reverso online
Reverso is an exclusive brand by Softissimo that clusterizes different kinds of translation software and solutions, including electronic dictionaries.
http://www.reverso.net/text_translation.asp?lang=EN

Altavista Babel Fish Translation
The best known and oldest of online machine translation tools, Altavista’s Babel Fish enables you to translate a text in 30 different language combinations.
http://babelfish.altavista.com/

Systran
Systran is a company specializing in machine translation solutions. Its free online translation tool enables you to translate a text of maximum 150 words in 30 language combinations.
http://www.systranbox.co.uk/

Worldlingo
Wordlingo offers a text translation interface from and to 15 languages including Italian.
http://www.worldlingo.com/en/.../computer_translation.html

Dictionary.com
This language tool search portal presents its free Translator, capable of translating a text in 20 language pairs including English/Italian.
http://dictionary.reference.com/translate/

Translendium
Translendium is a Catalan website offering a free electronic translator enabling you to have your English texts translated into Italian.
http://www.translendium.com/

Free Translator
Free Translator is a website offering a variety of free language tools. It contains an automatic text translator in 23 language combinations, including English-Italian.
http://www.free-translator.com/

PortalCual
This Spanish site boasts a free electronic translator for translating English texts into Italian. This multilingual online translator makes use of Google technology.
http://www.portalcual.com/traductor-gratis.asp