Hauptwerk Virtual Pipe Organ
- Hauptwerk Virtual Pipe Organ (MDA)
- Official Hauptwerk Forum (MDA)
- German Hauptwerk Forum
- Dutch Hauptwerk Forum
Sample Set Producer
- ah Virtual Pipe Organs
- Al Morse
- Andrea Bonzi
- Appleton Audio
- Association des amis de l’orgue de Pibrac
- Audio Anglorum
- Augustine’s Virtual Organs
- Binauralpipes
- Carlos James Lara
- Christian Datzko
- De Hauptwerk Consultant
- Dirk’s Organ Page
- Etcetera Pipe Organs
- Evensong / CLR Resources
- Exemplum Organum
- Forestpipes
- Gerben van den Akker
- Inspired Acoustics
- Jean-Paul Verpeaux
- JePSI Harmoniums
- Jeux d’orgues
- KeyMedia Productions
- Lavender Audio
- Les Deutsch
- Legro Virtual Organ Sample Sets
- Maltese Historic Pipe Organs
- Mark Beverly
- Martin Dyde
- Melotone Sound Productions
- MIDI Pipe Organ
- Milan Digital Audio
- OdfGrandOrgue
- Organ4Me
- Organ Art Media
- OrganExpressions
- Organo Graziadio Antegnati
- Paramount Organ Works™
- Paul Delferriere
- Pere Casulleras
- Piotr Grabowski
- PROSPECTUM Virtual Organs
- Silver Octopus Studio
- Soni Musicae
- Sygsoft
- Virtual Organs NL
- Virtual Pipes
- Virtualaj Pipoj
- VOXUS Virtual Organs
- Zion Organs (not online anymore)
If I have forgotten somebody I apologize in advance. Please send me a message and I will update this list!