Hi,

The chord generator application on the  web page entitled "Theo's Banjo Chord Generator" (see link hereunder) calculates and displays a summary of all the possible chords you can play with a guitar which has 3 strings or more, in any possible tuning.

Here is the link:

http://tpn.lowtech.org/chordgen.php

In addition to displaying cords in a given tuning, the chord generator also creates a map of the fretboard in said tuning.

Serge.