Comparison of free software for audio

This comparison 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

Name	Creator	Linux?	macOS?	Windows?	Note	License
BRP-PACU		Yes	Yes		Dual channel FFT tool for equalization of sound systems using the transfer function.	GPL-2.0-or-later
Praat	Paul Boersma and David Weenink of the University of Amsterdam	Yes	Yes	Yes	A program for the analysis of speech in phonetics.	GPL-2.0-or-later
Sonic Visualiser	Centre for Digital Music at Queen Mary, University of London	Yes	Yes	Yes		GPL-2.0-or-later
WaveSurfer		Yes	Yes	Yes		BSD-like

Converters

Name	Creator	Linux?	macOS?	Unix?	Windows?	Note	License
FFmpeg	Fabrice Bellard	Yes	Yes	Yes	Yes	Audio & video.	LGPL-2.1-or-later, GPL-2.0-or-later
fre:ac	Robert Kausch	Yes	Yes	Yes	Yes	formerly BonkEnc	GPL-2.0-or-later
Libav	Libav team	Yes	Yes	Yes	Yes	Audio & video.	LGPL-2.1-or-later, GPL-2.0-or-later
MPlayer		Yes	Yes	Yes	Yes	Audio & video.	GPL-2.0-or-later

DJ software

Name	Creator	Linux?	macOS?	Unix?	Windows?	Note	License
Mixxx	Mixxx Development Team	Yes	Yes	Yes	Yes		GPL-2.0-or-later
Xwax	Mark Hills	Yes	No	No	No		GPL-2.0-only

Distributions and other platforms

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

Name	Description	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

Modular systems

Name	Creator	Linux?	macOS?	Unix?	Windows?	License
Integra Live	Birmingham Conservatoire	No	Yes	No	Yes	GPL-2.0-or-later
Libvisual		Yes	Yes	Yes	Yes	LGPL-2.1-or-later
VisualAp		Yes	Yes		Yes	GPL

Notation

Name	Creator	Linux?	macOS?	Unix?	Windows?	Note	License
LilyPond	Han-Wen Nienhuys and Jan Nieuwenhuizen	Yes	Yes	Yes	Yes	a music engraving program	GPL-3.0-or-later
MuseScore	Werner Schweer	Yes	Yes	Yes Various BSDs^[1]	Yes	a WYSIWYG scorewriter with midi playback and audio export	v4: GPL-3.0-only v0-3: GPL-2.0-only with font exception, Proprietary (mobile app and online service)
Impro-Visor	Bob Keller	Yes	Yes	Yes	Yes	lead sheet notation, jazz improvisation, auto-accompaniment	GPL-2.0-or-later

Players

Name	GUI	Programming language	Database	Linux?	macOS?	Unix?	Windows?	Notes	License
Amarok	Qt	C++	MySQL	Yes	Yes		Unstable	Inactive since 2018	GPL-2.0-or-later
aTunes	Swing	Java		Yes	Yes	Yes	Yes		GPL-2.0-or-later
Audacious	GTK / Qt	C		Yes			Yes		BSD 2-Clause
Banshee	GTK+	C#	SQLite	Yes	Yes		Yes	Inactive since 2014	MIT
Clementine	Qt	C++	SQLite3	Yes	Yes		Yes	Inactive since 2016	GPL-3.0-or-later
DeaDBeeF	GTK+	C, C++, Objective-C, Assembly		Yes	Yes		Yes		GPLv2, zlib
Exaile	GTK	Python	Pickle	Yes	Yes		Yes		GPL-2.0-or-later
Guayadeque	wxWidgets	C++, C	SQLite3	Yes				Development ceased as of September 29, 2023	GPL-3.0-or-later
JuK	Qt	C++		Yes		Yes	Yes	Linux (KDE)	GPL-2.0-or-later
Miro	WebKit in GTK/Cocoa	Python		Yes	Yes		Yes	Discontinued in 2013	GPL-2.0-or-later
Muine	GTK#	C#		Yes				Can use GStreamer and xine	GPL-2.0-or-later
Nightingale	XULRunner	C++	SQLite?	Yes	Yes		Yes	Fork of Songbird; inactive since 2014	GPL v2, MPL, BSD
Quod Libet	GTK	Python	Pickle	Yes	Yes		Yes		GPL-2.0-or-later
qmmp	Qt	C++		Yes		Yes	Yes		GPL-2.0-or-later
Rhythmbox	GTK	C		Yes		Yes		Not GNU Data Access	GPL-2.0-or-later
Sayonara Player	Qt	C++		Yes		Yes			GPL-3.0-or-later
Songbird	XULRunner	C++	SQLite?	Unofficial	Yes	Unofficial	Yes	Abandoned, final release on February 4, 2013	GPL v2 with exceptions, Android client closed source
Tomahawk	Qt	C++	SQLite	Yes	Yes		Yes	Abandoned, final release on April 15, 2015	GPL-3.0-or-later
XMMS	GTK+	C++		Yes		Yes		Discontinued in 2007	GPL-2.0-or-later

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?	License
Csound	Csound community, Barry Vercoe	Yes	Yes	No?	Yes	LGPL-2.1-or-later
ChucK	Ge Wang, Perry Cook	Yes	Yes	No?	Yes	GPL-2.0-or-later (Mac, Linux, Windows versions) Proprietary (iOS version)
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-3-Clause
Sonic Pi	Sam Aaron	Yes	Yes	?	Yes	MIIT
SuperCollider	SuperCollider community, James McCartney	Yes	Yes	Yes?	Yes	GPL-3.0-or-later
TidalCycles	Alex McLean et al	Yes	Yes	Yes	Yes	GPL-3.0-or-later

Radio broadcasting

Recording and editing

The following packages are digital audio editors.

Name	Creator	Linux?	macOS?	Unix?	Windows?	GUI toolkit	Note	License
Ardour	Paul Davis	Yes	Yes	Yes	Yes	GTK+	multi-track audio recorder and editor	GPL-2.0-or-later
Audacity	Dominic Mazzoni	Yes	Yes	Yes	Yes	wxWidgets	multi-track audio recorder and editor	GPL-2.0-or-later, CC BY 3.0 (documentation)
Ecasound		Yes	Yes	Yes	Yes limited support through Cygwin	command line	audio recorder	GPL-2.0-or-later
Gnome Wave Cleaner	Jeff Welty	Yes	No		No	GTK+	audio editor	GPL-2.0-or-later
Jokosher	Jokosher community	Yes	No		Yes	GTK+		GPL-2.0-only with exception
LMMS	Tobias Doerffel	Yes	Yes as of 0.4.0 with Qt4		Yes	Qt	multi-track audio editor intended as a replacement for Cubase-like software (DAW)	GPL-2.0-or-later
MusE		Yes	No		No	Qt	MIDI sequencer	GPL-2.0-or-later
Qtractor		Yes	No		No	Qt	A non-destructive multi-track audio and MIDI Workstation (DAW)	GPL-2.0-or-later
Rosegarden	Chris Cannam	Yes	No		No	Qt	MIDI sequencer and multi-track recorder	GPL-2.0-or-later
SoX		Yes	Yes	Yes	Yes	command-line	multi-track audio editor/processor	LGPL-2.1-or-later, GPL-2.0-or-later
Sweep	Conrad Parker	Yes	No	Yes	No			GPL-2.0-or-later
Traverso DAW	Remon Sijrier	Yes	Yes		Yes		multi-track audio recorder and editor	GPL
WaveSurfer	Centre for Speech Technology at KTH	Yes	Yes	Yes	Yes	Tk		BSD-like
Stargate DAW	Stargate DAW	Yes	Yes	Yes	Yes		multi-track audio recorder and MIDI Workstation (DAW)	GPL-3.0-or-later

Softsynths

Name	Creator	Linux?	macOS?	Unix?	Windows?	Note	License
FluidSynth		Yes	Yes	Yes	Yes	SoundFont player/renderer	LGPL-2.1-or-later
TiMidity++		Yes	Yes	Yes	Yes		GPL-2.0-or-later
Yoshimi	Alan Calvert	Yes	No	Yes Various BSDs	No	Forked from ZynAddSubFX in 2009	GPL-2.0-or-later
ZynAddSubFX	Paul Nasca	Yes	Yes	Yes	Yes		GPL-2.0-or-later
WildMIDI		Yes	?	?	?	Some alternative to TiMidity	Player: GPL-3.0-or-later Library: LGPL-3.0-or-later

Streaming

These programs are for use with streaming audio.

Name	Linux?	macOS?	Unix?	Windows?	Note	License
Firefly Media Server	Yes	Yes		Yes	streams music to DAAP clients like iTunes and Rhythmbox	GPL-2.0-or-later
Icecast	Yes		Yes	Yes	a broadcast server, serves audio signals to clients over the HTTP protocol	GPL-2.0-only
VLC media player	Yes	Yes	Yes	Yes	media and server programs for video and audio streaming	VLC: GPL-2.0-or-later libVLC: LGPL-2.1-or-later

Technologies

Name	Creator	Linux?	macOS?	Unix?	Windows?	Note	License
Advanced Linux Sound Architecture (ALSA)		Yes				the sound card driver and management system in the Linux kernel	GPL-2.0-or-later LGPL-2.1-or-later
aRts		Yes				an audio programming API and sound server for general desktop, no longer in development	GPL
DSSI		Yes				a plugin architecture for software synthesizers	LGPL-2.1-or-later
GStreamer		Yes	Yes	Yes	Yes	a graph-based multimedia framework	LGPL-2.1-or-later
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	GPL-2.0-or-later LGPL-2.1-or-later
Linux Audio Developers Simple Plugin API (LADSPA)		Yes				a plugin architecture for digital signal processing	LGPL-2.1-or-later
Open Sound System		Yes		Yes		a sound card management and driver system for Unix operating systems	BSD-2-Clause CDDL-1.0 GPL-2.0-only Proprietary (formerly)
PipeWire	Wim Taymans	Yes		Yes (FreeBSD)		a media daemon, unifying JACK Audio Connection Kit, PulseAudio, and GStreamer	MIT License
PortAudio & PortMidi	Ross Bencina	Yes	Yes		Yes	a cross-platform, open-source C language library for real-time audio & midi I/O	MIT License
PulseAudio		Yes	Yes	Yes (Solaris, FreeBSD, NetBSD)	Yes	a sound server for general desktop and multihost LAN applications	LGPL-2.1-or-later
sndio		Yes	No	Yes (FreeBSD, NetBSD, OpenBSD)	No	sound and MIDI server	ISC

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	License
MilkyTracker		Yes	Yes	Yes	Yes	Also runs on various other platforms including Windows Mobile, PlayStation and AmigaOS 4.	GPL-3.0-or-later MilkyPlay: BSD-3-Clause
OpenMPT	Olivier Lapicque	No	No	No	Yes	Released as free software in 2004	BSD-3-Clause (since OpenMPT 1.17.02.53) / GPL-2.0-or-later, partly public domain
SoundTracker		Yes	No	Yes	No	Fast Tracker clone	GPL-2.0-or-later
SunVox	Alexander Zolotov	Yes	Yes	Yes	Yes	Also runs on Windows CE.	Proprietary (Music Creation Studio) BSD-3-Clause (Engine)
Noise Station	Mark Sheeky	No	No	No	Yes		CC BY-SA 4.0

Other

Name	Creator	Linux?	macOS?	Unix?	Windows?	Note	License
Gnaural		Yes	Yes	Yes	Yes	Binaural beat and pink noise generator	GPL-2.0-or-later
Hydrogen		Yes	Yes	Partial	Partial	an advanced drum machine	GPL-2.0-or-later
libsndfile		Yes	Yes	Yes	Yes	library for reading and writing many sound formats	LGPL-2.1-or-later
EasyEffects	Wellington Wallace	Yes	No	Yes	No	Effects processing for applications using PipeWire sound server	GPL-3.0-or-later

References

^ "Download". MuseScore.org. Retrieved 2021-10-05.

[1] "Download". MuseScore.org. Retrieved 2021-10-05.

[1]

Name	Creator	Linux?	macOS?	Unix?	Windows?	Note	License
Airtime (software)	Sourcefabric	Yes	No	?	No	Successor to Campcaster	From 2.5.2: AGPL-3.0-only 1.6 to 2.5.1: GPL-3.0-only
Campcaster	Sourcefabric	Yes	No	?	No		GPL-2.0-or-later
OpenBroadcaster	OpenBroadcaster	Yes	No	Yes	No		AGPL-3.0-or-later
SDRangel		Yes	Yes	Yes	Yes		GPL-3.0-or-later