SDL FreeTranslation.com is a free online translation service that you can use to translate blocks of text, or even web pages.
WorldLingo is an online language translation service that allows you to translate texts, documents, web pages or even e-mails from and to a language of your choice.
Yahoo! Babel Fish
Yahoo! Babel Fish is a free online service to translate a block of text or web pages.
PROMT Translator is a free online language translation service that works either with texts and web pages.
Reverso is an online service that provides you with a free translation of a given text.
Google Language Tools
Google Language Tools allows you to translate a text or a web page in another language instantly.
SYSTRANet is a free online translation service that allows you to type a text, or even access files directly from your desktop, preserving customization and format.
WordReference is a free online translator and dictionary that helps you translate single words or find their meaning.
Babylon is a free online service to make a language translation.
LOGOS is a free online service for language translation.
The Tarim tool by Ajeeb Translation Site provides a free facility for translating between Arabic and English, and back.