This tuner for guitar, mandolin, ukulele, fiddle, banjo, bass guitar allows standard and open tunings. The program shows the name of the note, together with its place on the stave, and numerical values of pitch/frequency. If the open tunings doesn't fit your needs, you can use the keyboard (in chromatic mode) and choose any other note to tune your instrument. The open-tunings available are: Guitar: Standard (E-A-D-G-B-E), Standard + 1/2 tone, Standard - 1/2 tone, Standard - 1 tone, Standard - 2.5 tone, Standard - 3.5 tone, Standard + D bass, Lute, Lute (2), Open C, Open C Minor, C Maj6, C Maj79, C 6Add9, C 6/9/11#, Open D, Open D Minor, D Sus2, D Sus4, D Maj6, Dsus4/6, Dsus4/6 (2), D7 Tuning, D Maj7, Open E, Open E Minor, Open F, Open F Minor, Open G, Open G Minor, G Maj6, Open A, Open A Minor, Open B, Open B Minor, Perfect 4th, Dobro (Std). Mandolin: Standard, Low, Alto, Mandola, Open C, Open D, Open E, Open G, Open A, Dropped D, Italian, French. Ukulele: C, C Low G, D, D Low A, G. Fiddle: Standard. Banjo: Standard, Open C, Open E, Open F, Open A. Bass Guitar: 4-String Bass, 4-String Bass D Drop, ,5-String Bass, 6-String Bass.