AXP has released a new free VST plug-in effect for Windows: SoftDrive GV, a virtual-analog model of the Marshall "Guv'nor" and "Guv'nor GV-2 Plus" guitar distortion effects.
SoftDrive GV faithfully recreates circuits of both stomp-boxes and expands on the original design introducing features possible only in digital realm.
SoftDrive GV is free and is available as a 32- and 64-bit Windows VST effect plug-in.