http://www.8notes.com/guitar_tuner

If you like to play the guitar, you know how annoying it can be when your instrument goes out of tune. Although commercial tuners are available, they come at a price. For those of you who don�t have one, 8notes.com offers a free online guitar tuner that plays standard tuning for six-string guitars. You select the string you want to tune, and the tone repeats until you select another string. It�s easy and effective. The site also features a guitar chord chart and a wealth of lessons. [Mathew Brady]