WMIDI
WBlack MIDI
WDenemo
WDJ controller
WDynacord Add-one
WElectronic drum
WFugue Machine
WHauptwerk
WKorg PadKontrol
WKreol (software)
WLogic Pro
WMaster Tracks Pro
WMIDI controller
WNotron
WQLab
WRoland MC-4 Microcomposer
WRoland MC-8 Microcomposer
WMPU-401
WSynthesia
WTempo map
WZ-Maestro