Synth Audio Plugins

Crystal

    WindowsMacFree VSTAudioUnit
19K Views Rating: 4.1 /5 (5 votes)
“Crystal is a semi-modular software synthesizer featuring both subtractive synthesis and frequency modulation (FM)[...]

ZynAddSubFX

    WindowsMacLinuxFree VSTLV2
19K Views Rating: 4.4 /5 (4 votes)
“ZynAddSubFX is a fully featured open source software synthesizer capable of making a countless number of instrume[...]

MauSynth

    WindowsFree VST
19K Views Rating: 3.8 /5 (13 votes)
“MauSynth is a polyphonic analog-modeling subtractive synthesizer VST plugin by Pekka Kauppila. You can create al[...]

FireBird 2

    WindowsFree VST
19K Views Rating: 4 /5 (15 votes)
Firebird is not just another subtractive synthesizer, it uses a unique synthesis architecture to deliver next-generation[...]
Surge | Audio plugins for free

Surge

    WindowsMacLinuxFree VSTAudioUnit
19K Views Rating: 4.5 /5 (19 votes)
“SURGE is a free, open source synth that’s available for macOS, Windows & Linux. The software synth is descr[...]

PANO

    WindowsMacFree VSTAudioUnitAAX
17K Views Rating: 4.7 /5 (3 votes)
  “PANO stands for Procedural Ambient Noise Orchestra. It is a real-time multichannel synthesizer dedicate[...]
Autogun | Audio Plugins for Free

Autogun

    WindowsFree VST
16K Views Rating: 4.1 /5 (6 votes)
“A universe of sounds!   But wait! If you listen to 1 preset, every second, 24 hours a day, it will take you [...]
Cardinal | Audio plugins for free

Cardinal

    WindowsMacLinuxFree VSTAudioUnit
16K Views Rating: 4.6 /5 (12 votes)
“Cardinal, the Rack! Cardinal is a free and open-source virtual modular synthesizer plugin, available as JACK stan[...]
Thump | Audio Plugins for Free

Thump

    WindowsMacFree VSTAudioUnitAAX
16K Views Rating: 3.6 /5 (10 votes)
  Thump is a unique audio processor that allows you to synthesize low frequency audio to add low end to a track or[...]
Synister | Audio Plugins for Free

Synister

    WindowsMacFree VSTAudioUnit
15K Views Rating: 3.2 /5 (10 votes)
“Synister is a free, open source synthesizer instrument for Windows and Mac. Synister was developed by students o[...]
Casio VL-1 | Audio Plugins for Free

Casio VL-1

    WindowsMacFree VSTAudioUnit
15K Views Rating: 4.5 /5 (3 votes)
“Casio VL-1 plugin version for MAC/Windows AU/VST 32 and 64 bits, original presets sampled and looped. Added: Vibr[...]

Chimera

    WindowsFree VST
15K Views Rating: 5 /5 (2 votes)
“Chimera is a noise driven synth focusing on pads and haunting leads. Three noisegenerators are connected through [...]
Audio plugin for free - Prodigious Synthesizer

Prodigious Synt...

    WindowsFree VST
15K 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[...]
Aalto Solo | Audio Plugins for Free

Aalto Solo

    WindowsMacFree VSTAudioUnit
15K 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[...]

Arppe2600va

    WindowsFree VST
14K 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[...]
DC Bazz-Murda | Audio Plugins for Free

DC Bazz-Murda

    WindowsMacFree VSTAudioUnit
14K 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[...]
Odin 2 | Audio Plugins for Free

Odin 2

    WindowsMacFree VSTAudioUnit
14K Views Rating: 3.8 /5 (13 votes)
“Odin 2: A Synth to Please the Gods Ever dreamt of a kickass synthesizer which is available on every platform? Wit[...]
Kairatune | Audio Plugins for Free

Kairatune

    WindowsMacFree VSTAudioUnit
14K Views Rating: 4.8 /5 (2 votes)
“Kairatune is designed to produce crisp and tight electric sounds for electronic music production. Kairatune is en[...]
Oxe FM Synth | Audio Plugins for Free

Oxe FM Synth

    WindowsMacLinuxFree VST
14K Views Rating: 3.2 /5 (10 votes)
Oxe FM Synth is an open source VST 2.4 instrument plugin for Windows, Linux and MacOSX. Features: Multitimbral (16 MIDI[...]
CheezeMachine2 | Audio Plugins for Free

Cheeze Machine ...

    WindowsMacFree VSTAudioUnitAAX
13K Views Rating: 4.9 /5 (6 votes)
“Back by popular demand comes a remastered version of the extremely popular Cheeze Machine virtual instrument byBi[...]
Triple Cheese | Audio Plugins for Free

Triple Cheese

    WindowsMacFree VSTAudioUnit
13K Views Rating: 5 /5 (2 votes)
“Triple Cheese is a unique-sounding freeware synthesizer plugin. Triple Cheese doesn’t use any of the classi[...]