Stringed Instruments 

D'Accord Easy Tuner, useful to beginners and skilled guitarists, is the most easy to use guitar tuner for Windows !

You just need a microphone plugged on your computer, and you can tune your guitar easily and with accuracy. There is also a Wizar......

D'Accord Mobile Chords enables you to get your favorite guitar chords everywhere on your PalmOS handheld / smartphone !

Just type the chord name and the software will show it´s fingering and many positions! You can also listen to the chord note......

 Stringed Instruments