A Parent's Primer to Computer Slang: Microsoft's guide to online slang.
An Explanation of l33t Speak: BBC presents an introduction to the history and vocabulary of l33t speak.
Elite: Entry in The New Hacker's Dictionary explaining the origins of the hacker culture language.
English-to-12-Year-Old-AOLer Translator: An online form translating English to 3NGLISH.
Leet: Wikipedia encyclopedia article about Leetspeak.
Leet Speak Generator: Software for converting English to hackerspeak.
NetLingo: The Internet Dictionary: A dictionary and glossary for the language of the Internet acronyms.
Nu Shortcuts in School R 2 Much 4 Teachers: NY Times article on teachers' experiences with messaging shorthand.
Tales for the L337: Romeo and Juliet, in hacker speak. [Flash]
The Message? Your Children Sure Get It: NY Times report on Instant messaging grammar and its cultural impact.
The Straight Dope: What the Heck is "Leetspeek?": Cecil Adams column on leet vernacular.
Transl8it: Translates text messages to and from chat lingo.
Turkey Manor Design: l33t w33k: How to speak like a cyber freak and a l33t translator.