The Alternate Tunings App shows where the notes of a chord are located on the guitar fingerboard when the guitar is tuned to any tuning that you would like to use.
NOTICE: This app generates scalable vector graphic (SVG) images. Many web browsers support SVG; however, versions of Internet Explorer prior to version 9 do not. If you see the message The XML page cannot be displayed when you click on the link, the browser you are currently using does not support SVG graphics.