DTS Midi Systems – Virtual Pipe Organ MIDI Control
Etcetera Virtual Pipe Organs (Concert virtuals)
Hauptwerk Virtual Organ Software
John’s Organ Works – UK source for VTPOs
Ian McLean (Noosa, Queensland, Australia)
Melotone Sound Productions (Compton, Barton and Robert Morton virtuals)
Milan Audio (Sets of various organ samples, including Virginia Theatre Wurlitzer and MasterWorks 331 Wurlitzer)
Owen Jones (Canberra, Australia)
Paramount Organ Works (Sampled Wurlitzers)
Scott Harrison (Melbourne, Australia) VTPO Consultancy