Typing Test

http://www.typingtest.com/

Dance Mat Typing

http://www.bbc.co.uk/guides/z3c6tfr

Ratatype

http://www.ratatype.com/

Baracuda

http://www.powertyping.com/baracuda/baracuda.htm

Alphabet Rain

http://www.powertyping.com/rain.shtml