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+
T8 - T8 leadscrew for Z
LCD - the LCD is configured
MK - makergeeks MK8 extruder
aero - E3D V6 Titan Aero extruder
32step - Used with drv8825 and 1/32nd microstepping