dearVR MIX
Sennheiser / Dear Reality
dearVR MIX creates a virtual monitoring environment for headphone listening with supported headphone-compensation options.
View details →THE AUDIO MAGAZINE / RESOURCES
Audio Units (AU) – 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.
201 listings
dearVR PRO 2
Sennheiser / Dear Reality
dearVR PRO 2 is a spatializer for binaural, Ambisonic and multichannel production.
View details →Decent Sampler
Decent Samples
Decent Sampler is a sample-instrument player used by a wide range of independent sound-library makers.
View details →Denoiser Classic
Bertom Audio
Denoiser Classic reduces steady noise through a compact real-time interface.
View details →Deverb (legacy)
Audio Damage
Deverb is an abstract reverb from Audio Damage's legacy collection.
View details →Dexed
Digital Suburban
Dexed is a six-operator FM synthesizer associated with Yamaha DX7-compatible patch editing and playback.
View details →Dimension Expander
Xfer Records
Dimension Expander adds stereo spaciousness using a compact modulation-based approach.
View details →Discord 3 (legacy)
Audio Damage
Discord 3 is an older pitch-shifting effect available through Audio Damage's official free archive.
View details →DJMFilter
Xfer Records
DJMFilter is a DJ-style filter effect with a direct interface for moving between low- and high-frequency filtering.
View details →dpMeter
TBProAudio
dpMeter provides digital audio metering for level and loudness-related tasks.
View details →DrumTraqs
Full Bucket Music
DrumTraqs recreates the sample-based character of a classic Drumtraks-style drum machine.
View details →Dubstation (legacy)
Audio Damage
The original Dubstation is a bucket-brigade-style delay offered in Audio Damage's free legacy archive.
View details →DuckTool
DsgDnB
DuckTool provides sidechain-controlled level ducking with a visible envelope and controls for its shape.
View details →DuskVerb
Dusk Audio
DuskVerb is an algorithmic reverb with controls for building an acoustic tail around a source.
View details →Emissary
Ignite Amps
Emissary is a guitar-amplifier simulator focused on a modern high-gain amplifier design.
View details →EQ Curve Analyzer
Bertom Audio
EQ Curve Analyzer measures the frequency response of an audio path or processor.
View details →Evil Otto
Audio Damage
Evil Otto applies multiband upward and downward compression for an intentionally assertive dynamics effect.
View details →EXOVERB
Sennheiser / Dear Reality
EXOVERB is a stereo reverb built around a collection of acoustic scenes and control over early and late energy.
View details →EXOVERB MICRO
Sennheiser / Dear Reality
EXOVERB MICRO is a compact reverb with a smaller selection of acoustic scenes than EXOVERB.
View details →FB-7999
Full Bucket Music
FB-7999 models the hybrid digital-waveform approach of Korg's DW-series instruments.
View details →FB3
Full Bucket Music
FB3 recreates the hybrid synthesis approach of the Kawai K3 and K3m, with waveform generation, factory sounds and expanded polyphony.
View details →FBVC
Full Bucket Music
FBVC models a vintage vocoder approach for imposing one signal's spectral movement on another.
View details →Filterjam
AudioThing
Filterjam is a multi-band resonant filtering effect for creative spectral shaping.
View details →Filtron
Polyverse Music
Filtron is a filter effect designed for tonal movement and more assertive sound shaping.
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.