twexter formats twin twext translations to help us learn language .. demo: http://test.twext.com .. javascript code is open at http://github.com/tudisco/twexter
1337writer is a converter for 'normal' text to 1337 / l33t text (leetspeech).
simply input your text and the programm will output the 1337 version. (hardcore 1337 or simple 1337).