Free audio software

The Open Sound System (OSS) is an interface for making and capturing sound in Unix and Unix-like operating systems.

PulseAudio is a network-capable sound server program distributed by freedesktop.

X Multimedia System (XMMS) is an audio player for Unix-like systems released under a free software license.

Sound Juicer is a GTK+-based graphical front-end to (or GUI for) the cdparanoia CD ripping library.

Quod Libet is a cross-platform free and open-source audio player, tag editor and library organizer.

Csound is a computer programming language for sound, also known as a sound compiler or an audio programming language, or more precisely, an audio DSL.

MP3Gain is an audio normalization software tool.

OpenMPT is an open source audio module tracker for Windows.

Amarok /ˈæmərɒk/ is a cross-platform free and open-source music player.

Modular Audio Recognition Framework (MARF) is an open-source research platform and a collection of voice, sound, speech, text and natural language processing (NLP) algorithms written in Java and arranged into a modular and extensible framework that attempts to facilitate addition of new algorithms.

Zinf is a free audio player released under the GNU General Public License.

Sound eXchange (SoX) is a cross-platform audio editing software.

The Network Audio System (NAS) is an open-source, network-transparent, client–server audio transport system.

Rosegarden is a free software digital audio workstation program developed for Linux with ALSA and Qt4.

cmus (C* Music Player) is a small and fast console audio player for Unix-like operating systems.

XMMS2 (X-platform Music Multiplexing System 2) is a new generation of the XMMS audio player.

The Beep Media Player (BMP) is an audio player application based on the XMMS multimedia player.

Moonlight was a free and open source implementation of Microsoft's Silverlight for Linux and other Unix based operating systems, developed and abandoned by the Mono Project.

Icecast is a streaming media project released as free software maintained by the Xiph.

Exaile is a cross-platform free and open-source audio player, tag editor and library organizer.

VirtualDub is a free and open-source video capture and video processing utility for Microsoft Windows written by Avery Lee.

aRts (which stands for analog real time synthesizer) is an audio framework that is no longer under development.

aTunes is a free and open source audio player with MPlayer as its playback engine.

mpg123 is a free and open-source audio player.

TiMidity++, originally and still frequently informally called TiMidity, is a software synthesizer that can play MIDI files without a hardware synthesizer.

dyne:bolic GNU/Linux is a Live CD/DVD distribution based on the Linux kernel.

LADSPA is an acronym for Linux Audio Developer's Simple Plugin API.

Beast is a music composition and modular synthesis application released as free software under the GNU GPL and GNU LGPL licenses, that runs under Unix.

WildMIDI is a free open source software synthesizer which converts MIDI note data into an audio signal using GUS sound patches without need for a GUS patch-compatible soundcard.

Ex Falso is a free and open source, cross-platform audio tag editor and library organizer.

Aqualung is a free and open-source audio player originally targeted at the GNU/Linux operating system, but also running on FreeBSD, OpenBSD, Mac OS X and Microsoft Windows.

OggConvert is a free (as in freedom) tool, released under the GNU LGPL, for converting audio and video files of various types into the free Ogg Vorbis audio format, and the Theora, VP8 and Dirac video formats.

ZynAddSubFX is a free open source software synthesizer for Linux, Mac OS X and Microsoft Windows.

NoteEdit is a defunct music scorewriter for Linux and other Unix-like computer operating systems.

Praat (the Dutch word for "talk" or "speak") is a free scientific computer software package for the analysis of speech in phonetics.

Aeolus is a free software pipe organ emulator.

Jokosher is a free software, non-linear multi-track digital audio editor, which is released under the GNU GPL.

MusE is computer software, a sequencer for Musical Instrument Digital Interface (MIDI) and audio, with recording and editing abilities.

QTFairUse is a software application first released in November 2003 by Jon Lech Johansen.

SoundTracker is a free tracker for Unix-like operating systems running X Window System for composing music to be saved in module files.

amsynth is an open source realtime software synthesizer for Linux.

sndio is the software layer of the OpenBSD operating system that manages the use of sound cards and MIDI ports.

The Sound Object (SndObj) Library is a C++ object-oriented programming library for music and audio development.

Kid3 is an open-source cross-platform audio tag editor for many audio file formats.

Streamripper is a stand-alone client, or Winamp plugin, that records Internet radio streams in the MP3 or Vorbis formats, programmed by Gregory Sharp.

Gnome Wave Cleaner (GWC) is a digital audio editor application.

Gnaural is brainwave entrainment software for Microsoft Windows, Mac OS X, and Linux licensed under the GNU General Public License.

gtkpod provides a graphical user interface that enables users of Linux and other Unix operating systems to transfer audio files onto their iPod Classic, iPod Nano, iPod Shuffle, iPod Photo, or iPod Mini music players.

libsndfile is a widely used C library written by Erik de Castro Lopo for reading and writing audio files.

Musix GNU+Linux is a live CD and DVD Linux distribution for the IA-32 processor family based on Debian.

Disposable Soft Synth Interface (DSSI) is a virtual instrument (software synthesizer) plugin architecture for use by music sequencer applications.

Pure Data (Pd) is a visual programming language developed by Miller Puckette in the 1990s for creating interactive computer music and multimedia works.

Guayadeque is a free and open-source audio player with database written in C++ using the wxWidgets toolkit.

Extempore is a live coding environment focused on real-time audiovisual software development.

VisualAp is a visual framework for building applications and emulate systems.

FreqTweak is an open-source tool for real-time audio spectral manipulation and display.

PySynth is a lightweight open source software synthesizer written in Python.

OpenBroadcaster is a web-based, open source system to run community radio and television broadcast transmitters with a simple web interface.

Cog is an open source audio player for macOS.

LinuxSampler is a music sampler under active development, aiming to provide a pure software audio sampler with professional grade features, comparable to both hardware and commercial Windows or Mac software samplers and to introduce new features not yet available by any other sampler.

EMMS (Emacs MultiMedia System) is media player software for Emacs.

Streamtuner is a streaming media directory browser.

Hymn (stylized as hymn), which stands for Hear Your Music aNywhere is a piece of computer software, and the successor to the PlayFair program.

Muine is an audio player for the GNOME desktop environment which runs on Linux, Solaris, BSD and other UNIX-like systems.

Java OpenAL (JOAL) is one of several wrapper libraries that allows Java programmers to access OpenAL.

Esound (also referred to as ESD) is a small sound daemon for both Linux and UNIX.

AV Linux is a Linux-based operating system aimed for multimedia content creators.