Synth Audio Plugins

ZynAddSubFX

  • Synth | Synth Hybrid
    WindowsMacLinuxFree VSTLV2
15K Views Rating: 4.5 /5 (3 votes)
“ZynAddSubFX is a fully featured open source software synthesizer capable of making a countless number of instrume[...]

PANO

  • Ambient synth | Synth
    WindowsMacFree VSTAudioUnitAAX
14K Views Rating: 4.7 /5 (3 votes)
  “PANO stands for Procedural Ambient Noise Orchestra. It is a real-time multichannel synthesizer dedicate[...]

MauSynth

  • Synth
    WindowsFree VST
13K Views Rating: 3.9 /5 (9 votes)
“MauSynth is a polyphonic analog-modeling subtractive synthesizer VST plugin by Pekka Kauppila. You can create al[...]
Surge | Audio plugins for free

Surge

  • Synth | Synth Analogue/Subtractive
    WindowsMacLinuxFree VSTAudioUnit
13K Views Rating: 4.5 /5 (14 votes)
“SURGE is a free, open source synth that’s available for macOS, Windows & Linux. The software synth is descr[...]
Audio plugin for free - Prodigious Synthesizer

Prodigious Synt...

  • Synth | Synth Analogue/Subtractive
    WindowsFree VST
12K Views Rating: 4.5 /5 (2 votes)
“The Prodigious synthesizer is a Mono/Poly instrument based in the architecture of a famous synthesiser from the p[...]
Autogun | Audio Plugins for Free

Autogun

  • Presets Synth | Synth
    WindowsFree VST
12K Views Rating: 4.7 /5 (5 votes)
“A universe of sounds!   But wait! If you listen to 1 preset, every second, 24 hours a day, it will take you [...]
Thump | Audio Plugins for Free

Thump

  • subharmonic synth | Synth
    WindowsMacFree VSTAudioUnitAAX
12K Views Rating: 3.8 /5 (5 votes)
  Thump is a unique audio processor that allows you to synthesize low frequency audio to add low end to a track or[...]

FireBird 2

  • Synth
    WindowsFree VST
12K Views Rating: 4.3 /5 (9 votes)
Firebird is not just another subtractive synthesizer, it uses a unique synthesis architecture to deliver next-generation[...]
Aalto Solo | Audio Plugins for Free

Aalto Solo

  • Semi-modular Synth | Synth
    WindowsMacFree VSTAudioUnit
12K Views Rating: 4.5 /5 (4 votes)
Aalto Solo is a fantastic semi-modular synthesizer by Madrona Labs, released as freeware in January 2013. It is basica[...]

Chimera

  • Synth | Synth Analogue/Subtractive
    WindowsFree VST
12K Views Rating: 5 /5 (2 votes)
“Chimera is a noise driven synth focusing on pads and haunting leads. Three noisegenerators are connected through [...]
Synister | Audio Plugins for Free

Synister

  • Synth
    WindowsMacFree VSTAudioUnit
11K Views Rating: 3.4 /5 (7 votes)
“Synister is a free, open source synthesizer instrument for Windows and Mac. Synister was developed by students o[...]
DC Bazz-Murda | Audio Plugins for Free

DC Bazz-Murda

  • Drum Synthesizer | Percussion
    WindowsMacFree VSTAudioUnit
11K Views Rating: 4.7 /5 (3 votes)
“DC Bazz-Murda IS A AU AND VST BASS/KICK SYNTHESIZER IT IS AIMED AT HARD ELECTRONIC MUSIC LIKE HARDCORE, GABBER, D[...]

Arppe2600va

  • Synth | Synth Analogue/Subtractive
    WindowsFree VST
11K Views Rating: 4.9 /5 (4 votes)
“Based on ARP’s legendary semi-modular analog monosynth! This amazing softsynth sounds very close to the ori[...]
Oxe FM Synth | Audio Plugins for Free

Oxe FM Synth

  • Synth | Synth FM
    WindowsMacLinuxFree VST
10K Views Rating: 3.9 /5 (4 votes)
Oxe FM Synth is an open source VST 2.4 instrument plugin for Windows, Linux and MacOSX. Features: Multitimbral (16 MIDI[...]
Casio VL-1 | Audio Plugins for Free

Casio VL-1

  • Synth
    WindowsMacFree VSTAudioUnit
10K Views Rating: 4 /5 (1 votes)
“Casio VL-1 plugin version for MAC/Windows AU/VST 32 and 64 bits, original presets sampled and looped. Added: Vibr[...]
Kairatune | Audio Plugins for Free

Kairatune

  • Synth
    WindowsMacFree VSTAudioUnit
10K Views Rating: 5 /5 (1 votes)
“Kairatune is designed to produce crisp and tight electric sounds for electronic music production. Kairatune is en[...]
Odin 2 | Audio Plugins for Free

Odin 2

  • Synth
    WindowsMacFree VSTAudioUnit
10K Views Rating: 3.9 /5 (8 votes)
“Odin 2: A Synth to Please the Gods Ever dreamt of a kickass synthesizer which is available on every platform? Wit[...]
Symptohm PE | Audio Plugins for Free

Symptohm PE

  • Synth
    WindowsMacFree VSTRTAAudioUnit
10K Views Rating: 0 /5 (0 votes)
“Need a synth with a lot of good sounds to use without too much knob-tweaking complexity? Here comes Symptohm:Melo[...]
Triple Cheese | Audio Plugins for Free

Triple Cheese

  • Synth
    WindowsMacFree VSTAudioUnit
10K Views Rating: 5 /5 (1 votes)
“Triple Cheese is a unique-sounding freeware synthesizer plugin. Triple Cheese doesn’t use any of the classi[...]
viktor nv-1 | Audio Plugins for Free

Viktor NV-1

  • online | Synth
    WindowsMacLinux
9K Views Rating: 4.9 /5 (4 votes)
Nikolay Tsenkov offers a web synthesizer code ‘open-source’. To use it simply access with a Web-MIDI & [...]
CheezeMachine2 | Audio Plugins for Free

Cheeze Machine ...

  • String Ensemble Synth | string machine
    WindowsMacFree VSTAudioUnitAAX
9K Views Rating: 4.9 /5 (5 votes)
“Back by popular demand comes a remastered version of the extremely popular Cheeze Machine virtual instrument byBi[...]