Santali keyboard for Mac OS is now under developing, but you may use it .
Installation Instruction:
1. Download and unzipped
2. Place in the Library/Keyboard layout folder
3. Open Keyboard Preferences and add "Santali"
Layout
For Maximum Diacritics marks you may need to use "Option" button. and few marks for Option + shift.Example:
á = Option + a
ã = Option + s
ạ = Option + Shift + a
ḍ = Option + d
ḱ = Option + k
ṅ = Option + x
ć = Option + c
ń = Option + n
ṭ = Option + Shift + t
é = Option + e
ṛ = Option + r
ť = Option + t
ũ = Option + u
õ = Option + o
ṕ = Option + p
download Santali © Ghonokuasha Baskey