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Image unavailableDAWJunkie - VinylSynth Jr
Sample-based lo-fi synth built from sounds recorded from vinyl, with three sound layers, filtering, unison, arpeggiator and built-in effects.
macOS · Windows
FreeExplore ↗
Free plugins by type
Free Synth Plugins
A synth can be the starting point for a whole track: a bassline, a chord progression or a sound you didn’t expect. This selection brings together free synthesizers, from familiar subtractive instruments to modular and granular approaches.
Find a sound that starts an idea.
For warm chords, listen to how the filter and envelopes respond. For bass, look for useful oscillator shapes and control over the low end. Modulation can turn a simple patch into something with movement. The individual entries show the recorded plugin formats and operating systems; check those against your DAW before downloading.
The plugins.
97 entries. Check each entry for compatibility, availability and any host requirements.
NEW
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Image unavailableDehli Musikk Overtonium
32-partial additive synthesizer that lets you shape each harmonic like its own mixer channel, with individual tuning, envelopes, modulation and stereo placement.
macOS · Windows · Linux
FreeExplore ↗
NEW
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Image unavailableDezert Audio - Polyfreq
Virtual analog synth with dual oscillators, sub and noise sources, a Soviet-style multimode filter, flexible modulation and wide unison controls.
macOS · Windows
FreeExplore ↗
NEW
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Image unavailableDifferent Instruments - PartialString
Physical-modelled string synth that generates plucked and evolving string sounds in real time rather than using samples.
macOS · Windows · Linux
FreeExplore ↗
NEW
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Image unavailableFull Bucket Music - FB3
Hybrid synth emulation of the 1986 Kawai K3, combining digital wave generation with analog-style filtering for glassy tones, punchy basses and lush pads.
Windows · macOS
FreeExplore ↗
NEW
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Image unavailableHivetune - Delta6
Six-operator FM synth with a fully open modulation matrix, multiple oscillator shapes, per-operator envelopes and built-in chorus and reverb.
Windows · macOS
Free · signup requiredExplore ↗
NEW
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Image unavailableHivetune - Relica 2
Retro 8-bit synth with classic waveforms, pulse-width modulation, bit crushing, noise, vibrato, portamento and a tempo-synced arpeggiator.
macOS · Windows
Free · signup requiredExplore ↗
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Image unavailableManu Riga - Drift Ritual
Atmospheric software synth with dual oscillators, cross-modulation, flexible modulation and built-in delay and reverb for pads, drones and cinematic textures.
Windows · macOS
FreeExplore ↗
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Image unavailablenakst - Altitude
Hybrid synth workstation combining subtractive, sampling and FM synthesis with eight sound generators, extensive modulation and built-in effects.
Windows · macOS · Linux
FreeExplore ↗
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Image unavailableOA Labs - OA-Phosphor-1
Experimental synth built around controlled instability, with dual oscillators, aging and chaos modulation, morphing filters, waveshaping and a generative arpeggiator.
macOS · Windows · Linux
Free · signup requiredExplore ↗
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Overload Audio - MOODYSIX
KORG Polysix-inspired synth with classic analog architecture, built-in chorus, phaser and ensemble, plus several popular hardware-style modifications.
macOS · Windows
FreeExplore ↗
NEW
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Image unavailableSojus Records - SD-1
Emulation of the Ensoniq SD-1/32, combining additive and wavetable-style synthesis with the original ROM waves, editing controls and effects.
Windows · macOS · Linux
FreeExplore ↗
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Image unavailableSonuscore - Elysion Elements
Cinematic hybrid instrument combining sampled synthetic sources with pads, pulses, hits and animated textures, plus the full Elysion effects and modulation engine.
macOS · Windows
FreeExplore ↗
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Image unavailableTiagoLr - TetraOP
Four-oscillator wavetable synth with FM and ring modulation, flexible filtering, large unison stacks and an extensive modulation system.
macOS · Windows
FreeExplore ↗
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Image unavailableXfer Records - Pink Trombone
Vocal-tract synthesizer that models the mouth, tongue, nose and throat to create vowel, consonant and speech-like sounds inside your DAW.
Windows · macOS · Linux
FreeExplore ↗
Image unavailableKayrock - Ultramaster KR-106
open-source virtual analog synth inspired by classic Roland Juno polysynths, with modeled DCOs, IR3109-style filtering, BBD chorus, polyphony, DAW-synced arp/LFO and vintage factory-style presets.
Windows · macOS · Linux
FreeExplore ↗
Image unavailableMike Moreno DSP - LIRA-8
experimental drone synth inspired by the SOMA Lyra-8, built for dark ambient textures, outer-space sounds and evolving drones using eight tunable voices, FM, dual delay, hyper LFO and distortion.
macOS · Windows
Free · signup requiredExplore ↗
Image unavailableSmoke Mono 1
monophonic virtual-analog synth from Mike Dean built for huge basses and cutting leads, with analog-style oscillators, sub and noise sources, unison detune, a saturated ladder filter and Mike Dean-designed presets.
Windows · macOS
FreeExplore ↗
Armory - LaunchCodes
sound-design synth built for creating explosive, high-impact sounds using oscillators, noise sources, modulation, and a modular effects rack.
Windows · macOS
FreeExplore ↗
Image unavailableDAWJunkie - LeadOff Jr
wavetable lead synth designed for quickly creating bright, powerful lead sounds in your productions.
macOS · Windows
Free · signup requiredExplore ↗
Image unavailableAngelic Vibes - Heartbreaker Synth
synth that delivers 128 polished presets and built-in effects for creating emotional, modern sounds like pads, keys, basses, and leads straight out of the box.
Windows · macOS
Free · signup requiredExplore ↗
Image unavailableTsuga Audio - Envosound
a retro-inspired synth that fuses synthesis, sequencing, and an interval-based arpeggiator to create evolving, game-era-influenced sounds that feel nostalgic yet modern.
Windows · macOS
FreeExplore ↗
Image unavailableDAWJunkie - DSS-130SE
vintage-style synth sampled from the 1987 Yamaha PSS-130, delivering lo-fi digital tones and nostalgic character in a simple VST/AU plugin.
Windows · macOS
FreeExplore ↗
Image unavailableFull Bucket Music - FB-02
FM synth plugin that recreates the sound engine of the 1986 Yamaha FB-01, complete with original factory ROM sounds, deep patch editing, SysEx support, and modern DAW-friendly features.
Windows · macOS
FreeExplore ↗
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