G major chordson the 5-string banjo, Double C tuning (gCGCD)
The scale: G A B C D E F♯
Open strings: Open strings in G major: G, D. C fits the key too.

Print it: G major on one page (PDF), or the jam pack: the chord chart and a page for each common key.
The seven chords in G major
The chords built on each note of the scale, with the shape the app leads with. The app’s key page also suggests progressions to play them in.
Hear them in the app ›Other modes on G
Other major keys
G major in other tunings
All Double C banjo chords · G major sheet (PDF) · Printable chart (PDF) · The app