These versions of Marlin are all configured for use on V1Engineering machines. They are all based off of the bugfix-2.0.x branch.
V1CNC - For Mostly Printed CNC and Low Rider
V13DP - For the Milled Printed 3D Printer
ZenXY - For the ZenXY
Archim1 - Archim 1
Archim2 - Archim 2
MRambo - mini Rambo 1.4
Rambo - Rambo 1.3+
Ramps - mega/Ramps combo v1.4+
Dual - The dual driver and dual endstop version.
Aero - For the Titan Aero Extruder.