OBS Studio
OBS Project
OBS Studio captures and mixes audio and video for recording or live streaming.
View details →THE AUDIO MAGAZINE / RESOURCES
macOS – 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.
336 listings
ocenaudio
ocenaudio Team
ocenaudio is a waveform editor for recording, editing and inspecting audio files.
View details →Odin 2
TheWaveWarden
Odin 2 combines several oscillator approaches with filters, modulation and effects in a semi-modular instrument.
View details →Open Sound Meter
Open Sound Meter
Open Sound Meter provides audio-system measurement and analysis tools.
View details →Open Stage Control
Vox Hunt / Open Stage Control
Open Stage Control creates customizable remote-control interfaces for audio and multimedia systems.
View details →OpenUtau
OpenUtau Contributors
OpenUtau is an open-source singing-synthesis editor for arranging notes, lyrics and expressive parameters.
View details →Orca
Hundred Rabbits
Orca is a grid-based programming environment for generating musical control patterns.
View details →ossia score
ossia
ossia score is an interactive sequencer for coordinating media and control processes.
View details →OTT
Xfer Records
OTT is a multiband upward-and-downward compression effect associated with a pronounced, highly detailed electronic-production sound.
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 →Panagement Free
Auburn Sounds
Panagement Free offers a focused selection of spatial-positioning tools.
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 →PG-8X
Martin Lüders
PG-8X is an analog-style synthesizer inspired by the Roland JX-8P.
View details →Phantom Center
Bertom Audio
Phantom Center provides a way to inspect and manipulate center-related stereo information.
View details →Phosphor (legacy)
Audio Damage
The original Phosphor is an additive-style synthesizer distributed through Audio Damage's free legacy archive.
View details →PianoBooster
PianoBooster Project
PianoBooster is a MIDI-based piano practice application that displays musical notation and follows played notes.
View details →Pitch Drift
Baby Audio
Pitch Drift introduces pitch movement ranging from restrained instability to more obvious wobble.
View details →Plastic Funeral
Unplugred
Plastic Funeral is a distortion effect from Unplugred’s open-source collection, with a laser-like digital character.
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 →Polyphone
Polyphone
Polyphone is an editor for creating and managing SoundFont instruments.
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.