operator
| Software | Description | OS | License | File Date | Comments | Power |
|---|---|---|---|---|---|---|
| Purple v2.1 | 4 operator FM synth. [VST] | Windows | Freeware | 2006-06-30 | 0 | 45db |
| 4OP Librarian v1.0.8 | Make libraries of voice data for Yamaha 4-Operator Synthesizer. | Mac | Shareware | 1999-12-12 | 2 | 50db |
| Double Six v2.0 | 6-operator FM synth with 32 DX7 algorithms and 16 4-operator algorithms. [VST] | Windows | Freeware | 2007-10-16 | 0 | 50db |
| FB1 v 051102 | 8 operator FM synth. [VST] | Windows | Freeware | 2005-11-08 | 0 | 60db |
