From: aesager@acs4.acs.ucalgary.ca (Alexander Edward Sager)

Some of these are pretty cool, especially if played with a drone:

#=sharp
b=flat

Neapolitan Minor: C Db Eb F G Ab B C
Neapolitan Major: C Db Eb F G A B C
*Oriental: C Db E F Gb A Bb C
*Double Harmonic: C Db E F G Ab B C (Gypsy)
Enigmatic: C Db E F# G# A# B C
*Hirajoshi: A B C E F A
*Hungarian Minor: C D Eb F# G Ab B C
Hungarian Major: C D# E F# G A Bb C
*Kumoi: E F A B C E
*Iwato: B C E F A B
Hindu: C D E F G Ab Bb C
Spanish 8 Tone: C Db Eb E F Gb Ab Bb C
Pelog: C Db Eb G Bb C
Hungarian Gypsy: C D Eb F# G Ab Bb C
Major Phrygian: C Db E F G Ab Bb C
Major Locrian: C D E F Gb Ab Bb C
Lydian Minor: C D E F# G Ab Bb C
Overrtone: C D E F# G A Bb C
*Leading Whole Tone: C D E F# G# A# B C
Arabian: C D E F Gb Ab Bb C
Balinese: C Db Eb G Ab C
*Gypsy: C Db E F G Ab B C (Double Harmonic)
Mohammedan: C D Eb F G Ab B C (Minor Harmonic)
Javanese: C Db Eb F G A Bb C
*Persian: C Db E F Gb Ab B C
*Algerian: C D Eb F# G Ab B C D Eb F  (derivada de la Hungarian Minor)
Aeolian: C D Eb F G Ab Bb C
*Byzantine: C Db E F G Ab B C (Double Harmonic o Gypsy)
Hawaiian: C D Eb (F grace note) G A B C
*Jewish: E F G# A B C D E
*Mongolian: C D E G A C (Pentat—nica Mayor)
Ethiopian: G A Bb C D Eb F G (The B and E can also be natural and
the F can be sharp)
*Spanish: C Db E F G Ab Bb C
Egyptian: C D F G Bb C
*Japanese: C Db F G Ab C (Kumoi)
*Chinese: F G A  C D F (Mongolian, Pentat—nica Mayor)
          C E F# G B C