This is a software tool that helps tune guitars.
Guitar Tuner Open C helps guitarists tune. You are able to tune the guitar by ear and start playing in Low C for a new sound. The Open C offers a perfect C major chord when strumming the strings. Most alternate tunings can help explore new soundscapes but Open C gives delivers perfection. You can tune your instrument with this guitar tuner and will be able to get to the low frequencies. This tool will work equally well for slide guitars also. You would be able to handle genres like blues, jazz and folk quite easily. It is recommended that you will tune deep bass strings and steel string. You could then leave the guitar in the tuned state for a month and let the strings settle in. This lets the guitar reach its optimum sound and really mellow into the tuning.
Best way to go about tuning would be to develop the inner ear and this free online guitar tuner will do just that. It is like using a tuning fork to tune your instrument. Listen to the PC as it plays the program and then listen closely to each string and match the note on your guitar. After Open C, feel free to try Low C for a slightly different feel. As you keep listening to the notes and remember the tone and sound of each one you become proficient in matching the tunes from the program and the instrument. This is a very good product.