NeuralNote
DamRsn
NeuralNote converts recorded audio into MIDI note information using a transcription model.
View details →THE AUDIO MAGAZINE / RESOURCES
VST3 – Free Music Software & Plug-ins
Find permanently free recording tools, instruments, effects and audio utilities for desktop, mobile and the browser. Each listing explains its purpose, compatibility and important free-edition restrictions, with links to the official source.
These are researched directory entries, not hands-on reviews. Optional purchases, account requirements and limited editions are identified on product pages. Format availability can differ by operating system.
168 listings
NIBBI
Temecula DSP
NIBBI turns recorded or imported sounds into a playable sampler with tape-looping and pattern-oriented workflows.
View details →Nils K1v
Nils Schneider
Nils K1v emulates the Kawai K1's digital synthesis approach, offering a particular late-1980s keyboard palette.
View details →OB-Xf
Surge Synth Team
OB-Xf continues the last open-source OB-Xd codebase within the Surge Synth Team’s current development infrastructure.
View details →Odin 2
TheWaveWarden
Odin 2 combines several oscillator approaches with filters, modulation and effects in a semi-modular instrument.
View details →Overtonium
Benjamin Dehli
Overtonium presents additive synthesis as a mixer of 32 harmonic sine oscillators plus a noise channel.
View details →Ozone Imager
iZotope
Ozone Imager combines stereo-width control with a display of the signal's spatial behavior.
View details →PanCake 2
Cableguys
PanCake 2 uses editable modulation curves to automate stereo panning.
View details →PartialString
Different Instruments
PartialString synthesizes a plucked string through a finite-difference physical model.
View details →PaulXStretch
Sonosaurus
PaulXStretch stretches recorded audio into long, evolving textures using spectral processing.
View details →Phantom Center
Bertom Audio
Phantom Center provides a way to inspect and manipulate center-related stereo information.
View details →plugdata
plugdata Team
plugdata brings a graphical patching environment into standalone and plug-in workflows.
View details →Podolski
u-he
Podolski is a streamlined synthesizer with arpeggiation and a focused set of sound-shaping controls.
View details →Proteus
GuitarML
Proteus is a guitar-oriented neural-model player from GuitarML.
View details →PUNCHDUST
MFKNE
PUNCHDUST combines transient shaping, responsive lo-fi texture and upward compression in a focused effect.
View details →RoughRider3
Audio Damage
RoughRider3 is a characterful compressor intended for pronounced dynamics shaping.
View details →Saturation Knob
Softube
Saturation Knob supplies a compact harmonic-coloration effect with a simple drive control and selectable behavior.
View details →sfizz
sfizz Contributors
sfizz is an open-source SFZ instrument engine and plug-in.
View details →sforzando
Plogue
sforzando plays instruments defined in the SFZ sample-mapping format.
View details →ShinRonin
Audio Damage
ShinRonin revives Audio Damage's original filter-and-delay design for current systems.
View details →SmartAmp
GuitarML
SmartAmp is an open-source amplifier-modeling plug-in associated with machine-learning-based capture techniques.
View details →SonoBus
SonoBus Contributors
SonoBus shares live audio between participants over a network, with controls for connection and audio-quality tradeoffs.
View details →SPARTA
Aalto University Acoustics Lab
SPARTA is a collection of spatial-audio plug-ins based on research-oriented signal-processing tools.
View details →Surge XT
Surge Synth Team
Surge XT is a hybrid synthesizer with multiple oscillator models, extensive modulation and integrated effects.
View details →Availability, licensing and system requirements can change. Verification refers to official documentation and download availability, not installation or hands-on testing. Check the developer's current terms before installing.