| Red Barn Goat Farm
- nonoctave.com - software for tuning your musical instruments to ethnic, historical, experimental and otherworldly scales. | |
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| RhapsOGL visual effects
- RhapsOGLApp X visual effects generator for MacOSX - This is a visual plug-in for SoundJam MP and MACAST | |
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| Rocket Science
- Bundle of real-time plugins for Mark of the Unicorn's Digital Performer and Audio Desk. | |
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| Roxio’s Jam Software
- Sound editing software for Macintosh allowing users to easily create 100% Red Book compliant audio CDs. | |
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| Sagan Technology Metro
- Home of Sagan Technology and Metro 6, award winning Audio Video MIDI sequencer for Macintosh Computers. | |
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| SampleTank VST
- SampleTank VST Sound Module with Superior Sampled Sounds. | |
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| SFX Machine
- SFX Machine RT is a real-time version of the award-winning SFX Machine audio effects plug-in, now available for Mac and Windows in VST and Audio Unit formats. | |
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| Sibelius
- Notate, edit, play back, and publish music to professional standards. Ported to MacOS from Acorn. | |
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| SoundApp
- Norman Franke's sound player and converter for the Macintosh. (PowerPC native, freeware) | |
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| SoundApp
- Freeware PowerPC native sound player and converter for the Macintosh. | |
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