Comparison of free software for audio

This list of free software for audio lists notable free and open source software for use by sound engineers, audio producers, and those involved in sound recording and reproduction.

Audio analysis
See also: Spectrum analyzer
Name Creator Linux? macOS? Unix? Windows? Note License
BRP-PACU Yes Yes Dual channel FFT tool for equalization of sound systems using the transfer function. GPL
Praat Paul Boersma and David Weenink of the University of Amsterdam Yes Yes Yes A program for the analysis of speech in phonetics. GPL
Sonic Visualiser Centre for Digital Music at Queen Mary, University of London Yes Yes Yes GPL
WaveSurfer Yes Yes Yes Permissive free software

Converters
See also: List of audio conversion software
Name Creator Linux? macOS? Unix? Windows? Note License
FFmpeg Fabrice Bellard Yes Yes Yes Yes Audio & video. GPL or LGPL
fre:ac Robert Kausch Yes Yes Yes Yes formerly BonkEnc GPL
Libav Libav team Yes Yes Yes Yes Audio & video. GPL or LGPL
MPlayer Yes Yes Yes Yes Audio & video. GPL

DJ software
Name Creator Linux? macOS? Unix? Windows? Note License
Mixxx Mixxx Development Team Yes Yes Yes Yes GPL
Xwax Mark Hills Yes No No No GPL

Modular systems
Name Creator Linux? macOS? Unix? Windows? Note License
Integra Live Birmingham Conservatoire No Yes No Yes GPL
Libvisual Yes Yes Yes Yes LGPL
SynFactory No No No Yes GPL
VisualAp Yes Yes Yes GPL

Distributions and other platforms

Various projects have formed to integrate the existing free software audio packages.

Name Creator Description Note License
AVLinux Linux distribution various
dyne:bolic Linux distribution various
Musix GNU+Linux Linux distribution various
Planet CCRMA set of packages (in RPM format)
Ubuntu Studio Linux distribution various

Players
See also: Comparison of audio player software
LogoComponentGUIProgramming
language		DatabaseNotes
Amarok Qt C++ MySQL Linux / macOS / Windows
aTunes Swing Java
Aqualung GTK+ C no database
Audacious GTK+ / Qt C no database Linux & Windows
Banshee GTK+ C# SQLite
Clementine Qt C++ SQLite3 Linux / macOS / Windows
Exaile GTK+ Python Pickle Linux / macOS / Windows
Guayadeque wxWidgets C++, C SQLite3
JuK Qt C++
Miro WebKit in GTK+/Cocoa Python ?
Muine GTK# C# no database can use GStreamer and xine
Nightingale XULRunner C++ SQLite? fork of Songbird, with Linux support
Quod Libet GTK+ Python Pickle Linux / macOS / Windows
qmmp Qt C++ no database
Rhythmbox GTK+ C not GNU Data Access
Songbird XULRunner C++ SQLite? Abandoned (last release on February 4, 2013)
Tomahawk Qt C++ SQLite
XMMS GTK+ C++ no database
XMMS2 C SQLite

Programming languages

Many computer music programming languages are implemented in free software. See also the comparison of audio synthesis environments.

Name Creator Linux? macOS? Unix? Windows? Note License
Csound Csound community, Barry Vercoe Yes Yes No? Yes LGPL
ChucK Ge Wang, Perry Cook Yes Yes No? Yes GPL
Nyquist Computer Music Project at Carnegie Mellon University, Roger B. Dannenberg Yes Yes Yes Yes
Pure Data Pd Community, Miller Puckette Yes Yes Yes Yes BSD-like
SuperCollider SuperCollider community, James McCartney Yes Yes Yes? Yes GPL

Radio broadcasting

See also streaming below.

Name Creator Linux? macOS? Unix? Windows? Note
Airtime (software) Sourcefabric Yes No ? No Successor to Campcaster
Campcaster Sourcefabric Yes No ? No
OpenBroadcaster OpenBroadcaster Yes No Yes No

Recording and editing

The following packages are digital audio editors.

Name Creator Linux? macOS? Unix? Windows? Note
Ardour Paul Davis Yes Yes Yes Yes multi-track audio recorder
Audacity Dominic Mazzoni Yes Yes Yes Yes multi-track audio recorder and editor
Ecasound Yes Yes Yes Yes limited support through Cygwin audio recorder
Gnome Wave Cleaner Jeff Welty Yes No No audio editor
Jokosher Jokosher community Yes No Yes multi-track audio editor
LMMS Tobias Doerffel Yes Yes as of 0.4.0 with Qt4 Yes Free cross-platform alternative to commercial programs like FL Studio, which allow customers to produce music with a computer.

Intended as a replacement for Cubase-like software (DAW)

MusE Yes No No MIDI sequencer
Qtractor Yes No No A non-destructive multi-track audio and MIDI Workstation (DAW)
Rosegarden Chris Cannam Yes No No MIDI sequencer and multi-track recorder
SoX Yes Yes Yes Yes command-line multi-track audio editor/processor
Sweep Conrad Parker Yes No Yes No
Traverso DAW Remon Sijrier Yes Yes Yes multi-track audio recorder and editor
WaveSurfer Centre for Speech Technology at KTH Yes Yes Yes Yes

Softsynths
See also: Software synthesizer
Name Creator Linux? macOS? Unix? Windows? Note License
FluidSynth Yes Yes Yes Yes SoundFont player/renderer LGPL
TiMidity++ Yes Yes Yes Yes GPL
Yoshimi Alan Calvert Yes No No Forked from ZynAddSubFX in 2009 GPL
ZynAddSubFX Paul Nasca Yes Yes Yes Yes GPL

Streaming

These programs are for use with streaming audio.

Name Creator Linux? macOS? Unix? Windows? Note
Firefly Media Server Yes Yes Yes streams music to DAAP clients like iTunes and Rhythmbox
Icecast Yes Yes Yes a broadcast server, serves audio signals to clients over the HTTP protocol
VideoLAN Yes Yes Yes Yes media and server programs for video and audio streaming

Technologies
Name Creator Linux? macOS? Unix? Windows? Note
Advanced Linux Sound Architecture (ALSA) Yes the sound card driver and management system in the Linux kernel
aRts Yes an audio programming API and sound server for general desktop, no longer in development
DSSI Yes a plugin architecture for software synthesizers
GStreamer Yes Yes Yes Yes a graph-based multimedia framework
JACK Audio Connection Kit (JACK) JACK Team, Paul Davis Yes Yes (JACK OS X) Yes (jackdmp) a sound server for integration of general and low-latency pro audio applications, including timebase transport
Linux Audio Developers Simple Plugin API (LADSPA) Yes a plugin architecture for digital signal processing
Open Sound System Yes Yes a sound card management and driver system for Unix operating systems
PulseAudio Yes Yes Yes (Solaris, FreeBSD, NetBSD) Yes a sound server for general desktop and multihost LAN applications
sndio Yes No Yes (FreeBSD, NetBSD, OpenBSD) No sound and MIDI server

Trackers

These music sequencer programs allow users to arrange notes (pitch-shifted sound samples) on a timeline: see tracker (music software).

Name Creator Linux? macOS? Unix? Windows? Note
MilkyTracker Yes Yes Yes Yes Also runs on various other platforms including Windows Mobile, PlayStation and AmigaOS 4.
OpenMPT Olivier Lapicque No No No Yes Released as free software in 2004
Psycle Juan Antonio Arguelles Rius (Arguru) No No No Yes A tracker combined with modular capabilities
SoundTracker Yes No Yes No Fast Tracker clone

Other
Name Creator Linux? macOS? Unix? Windows? Note
Gnaural Yes Yes Yes Yes Binaural beat and pink noise generator
GNU LilyPond Han-Wen Nienhuys and Jan Nieuwenhuizen Yes Yes Yes Yes a music engraving program
MuseScore Werner Schweer Yes Yes Yes a WYSIWYG scorewriter with midi playback and audio export
Hydrogen Yes Yes Partial Partial an advanced drum machine
Impro-Visor Bob Keller Yes Yes Yes Yes lead sheet notation, jazz improvisation, auto-accompaniment
Levelator The Conversations Network Yes Yes No Yes Tool that uses a compressor, normalizer and limiter to normalize volume levels in audio recordings of public talks.
libsndfile Yes Yes Yes Yes library for reading and writing many sound formats
PulseEffects Wellington Wallace Yes No Yes No Effects processing for applications using PulseAudio sound server
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See also
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