Thank you. I am the Fretboard Warrior developper. I am happy to see that you enjoy Fretboard Warrior. And, no Sight Warrior and Chord Warrior are not free. Sorry, I have to pay for the web site and everything.

If you are interested, I offer Fretboard Warrior cards. It works the same way as the software, and you can put it in your pocket.

http://www.fretboardwarrior.com