Mandala Drum v2 and mk2.9 are standard class-compliant USB MIDI controllers and will work with any MIDI compatible software.
Virtual Brain software is not required.

MANDALA DRUM mk2.9 [gray rim]
Mandala mk2.9/Virtual Brain 3 User Manual
Mandala Virtual Brain v3.50 Full Download Mac (1.51 GB) *Compatible up to and including OS X 12.5 [Monterey]
Mandala Virtual Brain v3.01 Full Download Mac (1.21 GB) *Compatible up to OS X 10.11 [El Capitan]
Mandala Virtual Brain v3.01 Full Download Windows (1.10 GB)

MANDALA DRUM v2 [purple rim]
Mandala v2/Virtual Brain v1.5 User Manual
Mandala Virtual Brain v1.51 Full Download Mac (591 MB) *Only compatible up to OS X 10.11
Mandala Virtual Brain v1.51 Full Download Windows (587 MB)

CONVERTERS
Mandala Drum v2 Converter Windows (3.37 MB) : Make your v2 pad work with the newer v3.01 Virtual Brain software
Mandala Drum v2 Converter Mac (8.62 MB) : Make your v2 pad work with the newer v3.01 Virtual Brain software
Control Burst EXP Windows (2.27 MB) : Customize v2 output for any use (# of zones, note #'s, controller parameters, etc.)
Control Burst EXP Mac (4.48 MB) : Customize v2 output for any use (# of zones, note #'s, controller parameters, etc.)

SYNAPSE
Mandala Synapse User Manual
Mandala Synapse Settings Software v1.0 Windows (3.90 MB) Please also download Synapse User Manual above
Mandala Synapse Settings Software v1.0 Mac (6.80 MB) *Only compatible up to OS X 10.11