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Software Synthesizers, Free
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| Software | Description | OS | License | File Date | Comments | Pop |
|---|---|---|---|---|---|---|
| Claw 1.0 Win | A free, monophonic VST synthesizer | Windows | Freeware | 2003-02-28 | 4 | 41 |
| Artemis v1.0 | Subtractive synthesizer. [VST] | Windows | Freeware | 2006-12-14 | 0 | 41 |
| CetoneSynth v1.0 | Complex virtual analogue synthesizer. [VST] | Windows | Freeware | 2008-02-10 | 0 | 41 |
| LazySnake v1.0.3 | Virtual electric piano. [VST] | Windows | Freeware | 2005-10-31 | 1 | 40 |
| Crystal v2.4.8 | Semi-modular software synthesizer. | Windows | Freeware | 2003-07-24 | 1 | 38 |
| Voices v1.0.1 | Formant synthesizer. [VST] | Windows | Freeware | 2009-01-28 | 0 | 38 |
| BV 23 Redwave | Synthesizer. [VST] | Windows | Freeware | 2007-03-27 | 0 | 36 |
| CPS 1.45 | CPS is a graphical environment for making realtime interactive 'machines'. | Mac | Freeware | 2004-02-01 | 0 | 35 |
| FreeAlpha v2.03 | Highly flexible, easy-to-use, VST analog-style synthesizer. | Windows | Freeware | 2002-09-24 | 2 | 35 |
| amSynth v1.2.0 | Analogue modeling synthesizer. | Linux | Freeware | 2006-12-25 | 0 | 35 |
| subatomic v1.0 | Sub-bass drum-synth. [VST] | Windows | Freeware | 2008-01-22 | 0 | 35 |
| JX10 | VST software synth | Mac | Freeware | 2001-03-01 | 0 | 34 |
| Synth 1 v1.07 alpha | Two oscil soft synth with filters, delay, chorus. [VST/DX] | Windows | Freeware | 2005-10-02 | 0 | 34 |
| Carillon v1.1 | Chime synthesizer. [VST] | Windows | Freeware | 2006-10-24 | 0 | 34 |
| San Dysth v0.1.1 | Realtime soft-synth written in SND. | Linux | Free | 2008-02-13 | 0 | 34 |
| Fluidsynth pluggo v0.1 | Sound Font synth. | Mac | Freeware | 2004-05-05 | 2 | 33 |
| ZynAddSubFX v2.2.1 | Realtime, multi-timbral software synthesizer. | Linux | Free | 2005-04-27 | 0 | 33 |
| KARNAGE v1.5 | Make hard and nasty lead and bass sounds. [VST] | Windows | Freeware | 2005-07-01 | 0 | 33 |
| ORGANized trio v3.1 | ToneWheel organ simulator. [VST] | Windows | Freeware | 2005-11-08 | 0 | 33 |
| Glitch One "Mangling Box" | Free Mono Synth and Audio Effect | Windows | Freeware | 2003-11-03 | 1 | 32 |
| JustJ Robosynth 1.0 | Robosynth is a "Pro" version of Roboline. | Windows | Freeware | 2004-10-20 | 1 | 32 |
| SoundForum Synthesizer v1.0 | Standalone software synthesizer | Mac | Freeware | 2002-07-01 | 0 | 32 |
| terminatorX v3.82 | Realtime audio synthesizer that allows you to "scratch" on digitally sampled audio. | Linux | Freeware | 2003-11-03 | 7 | 31 |
| Tapeworm v2.0 | Mellotron synthesizer. [VST] | Windows | Freeware | 2006-10-24 | 3 | 31 |
| RIP Vinyl | A free, monophonic VST synthesizer | Mac | Freeware | 2003-10-20 | 0 | 30 |
| Csound | Macintosh Csound application | Mac | Freeware | 1997-02-07 | 4 | 30 |
| ConcreteFX LightIndustry 2 | Two oscillator version of the Industry soft synth. | Windows | Freeware | 2003-08-02 | 0 | 30 |
| Power-B v1.0 X | Tonewheel drawbar hammond b-3 organ leslie plus enhancements. | Mac | Freeware | 2004-02-12 | 0 | 30 |
| Saccara | Ambience Synthesizer | Windows | Freeware | 2001-06-10 | 9 | 30 |
| MrRay SeventyThree v1.0 | Rhodes piano simulation. [VST] | Windows | Freeware | 2005-04-11 | 0 | 30 |
