General Language Translation Sites

• Free Newspaper Translation. Translates websites, web pages, online texts, and online documents.
• Softissimo. Translate entire web pages.
• Babelfish by AltaVista. Excellent site that gives you lots of language translation options.
• Google Translator. Good, basic language translation with Google's technology behind it.
• Langenberg Language Translation. Translate text in a variety of languages.
• Dictionary.com. Good language translation tool that allows you to type in whole blocks of text.
• Machine Translation Engine. Translate in languages as diverse as Afrikaans and Welsh.
• Translation Wizard. Excellent site with a variety of languages available.
• AjaxTrans: Just start typing and your words will instantly be translated from and into a variety of different languages.
• POPjisyo: "OPjisyo is a web based pop-up dictionary for Japanese, Chinese, Korean and other languages."
• Binary Translator: Hey, binary is a language too! Converts text to binary and vice-versa.

Fun Language Translation Sites

• The English-to-12-Year-Old-AOLer Translator: " This translator will take what you write in it and turn it into the manner a 12-year-old AOLer would write it."
• Lost in Translation. What happens when you run a sentence through too many language translators? Find out.
• Text to Speech: Pig Latin. Set this page to speak a sentence in Pig Latin by a man,woman or child.
• The Dialectizer. Instantly create parodies of websites in different fun dialects.
• The Shizzolator. Apply Snoopp Dogg's shizzolating technology to your web page and see what happens. (strong language)
• Elvish Language Translation. For Lord of the Rings fans.
• MrKlingon.org. Captain! There's Klingons on the port bow! Learn how to speak Klingon or at least understand it.
• Japanese Kanji and Caliigraphy Translation: "Japanese calligraphy, Japanese name translation, Japanese symbols and kanji name translation."
• Internet Slang Dictionary: "Confused by IM or chat room slang? Translate internet slang and acronyms."

In addition, just a caveat: online language translation programs, while extremely convenient for the average language translation, can never substitute for a real, live, human translator. For more about this, I suggest you check out this excellent article titled Online Translators - Machine Translation.