GStreamer-based

• Banshee
  Banshee (music player)
  Banshee is an open-source media player, called Sonance until 2005. Built upon Mono and Gtk#, it uses the GStreamer multimedia platform for encoding and decoding various media formats, including Ogg Vorbis, MP3 and FLAC. Banshee can play and import audio CDs and supports many portable media players,...
  
   is a free audio player for Linux which uses the Helix and GStreamer multimedia platforms to play, ‬encode, and decode Ogg, MP3, and other formats. Banshee supports playing and importing audio CDs and playing and synchronizing music with iPods. Audioscrobbler API support.
• BMP
  Beep Media Player
  The Beep Media Player was a free audio player, based on the XMMS multimedia player. The lead developer was Milosz “deadchip” Derezynski. The BMP is mainly a port of XMMS to GTK+ 2 and, as such, integrates better with the look and feel of more recent versions of GNOME, Xfce, and, if using the...
  
  , also known as Beep Media Player, is a free audio player based on XMMS multimedia player (mentioned below). It looks like Winamp
  Winamp
  Winamp is a media player for Windows-based PCs and Android devices, written by Nullsoft, now a subsidiary of AOL. It is proprietary freeware/shareware, multi-format, extensible with plug-ins and skins, and is noted for its graphical sound visualization, playlist, and media library features.Winamp...
  
   and also supports its skins, including XMMS’s. BMP supports most of the audio formats that XMMS does; the main difference is between plugins that these players use. BMP has been discontinued in favor of BMPx, which shares very little of BMP's codebase.
• Clementine
  Clementine (software)
  Clementine is a cross-platform free and open source music player and library organizer. It is a port of Amarok 1.4 to the Qt 4 framework and the GStreamer multimedia framework. It is available for Unix-like, Windows and Mac OS X...
  
   is a cross-platform, open-source, Qt based audio player, written in C++
  C++
  C++ is a statically typed, free-form, multi-paradigm, compiled, general-purpose programming language. It is regarded as an intermediate-level language, as it comprises a combination of both high-level and low-level language features. It was developed by Bjarne Stroustrup starting in 1979 at Bell...
  
  . It can play Internet radio streams; managing media devices, playlists; supports visualizations, Audioscrobbler API. Its interface is similar to Amarok 1.4.
• Decibel Audio Player
  Decibel Audio Player
  Decibel Audio Player is an audio player written in Python, designed to be straightforward and easy to use. It is targeted at users of the GNOME desktop environment and follows the GNOME human interface guidelines.- Modules :...
  
   is an audio player written in Python
  Python (programming language)
  Python is a general-purpose, high-level programming language whose design philosophy emphasizes code readability. Python claims to "[combine] remarkable power with very clear syntax", and its standard library is large and comprehensive...
  
   intended to provide a clean and straightforward user interface for the GNOME
  GNOME
  GNOME is a desktop environment and graphical user interface that runs on top of a computer operating system. It is composed entirely of free and open source software...
  
   desktop environment.
• Exaile
  Exaile
  Exaile is a music player that was originally conceived to be similar in style and function to KDE's Amarok 1.4, but use the GTK+ widget toolkit rather than Qt...
  
   is a free software audio player for Unix-like operating systems that aims to be functionally similar to KDE’s Amarok. Unlike Amarok, Exaile is a Python
  Python (programming language)
  Python is a general-purpose, high-level programming language whose design philosophy emphasizes code readability. Python claims to "[combine] remarkable power with very clear syntax", and its standard library is large and comprehensive...
  
   program and uses the GTK+
  GTK+
  GTK+ is a cross-platform widget toolkit for creating graphical user interfaces. It is licensed under the terms of the GNU LGPL, allowing both free and proprietary software to use it. It is one of the most popular toolkits for the X Window System, along with Qt.The name GTK+ originates from GTK;...
  
   toolkit.
• Muine
  Muine
  Muine is an audio player for the GNOME desktop environment which runs on Linux, Solaris, BSD and other UNIX and UNIX-like systems. Muine is written in C# using Mono and Gtk#...
  
   is an audio player for the GNOME desktop environment. Muine is written in C# using Mono and Gtk#. The default backend is GStreamer framework but Muine can also use xine libraries.
• Quod Libet
  Quod Libet (software)
  Quod Libet is a cross-platform free and open source music player, tag editor and library organizer. The main design philosophy is that the user knows how they want to organize their music best and is built to be fully customizable and extensible using regular expressions. Quod Libet is a...
  
   is a GTK+ based audio player, written in Python
  Python (programming language)
  Python is a general-purpose, high-level programming language whose design philosophy emphasizes code readability. Python claims to "[combine] remarkable power with very clear syntax", and its standard library is large and comprehensive...
  
  . Its main distinguishing feature is its approach to music library management. Instead of categorizing the songs by genre, artist, and album, the focus is on search and display. Quod Libet supports regular expression
  Regular expression
  In computing, a regular expression provides a concise and flexible means for "matching" strings of text, such as particular characters, words, or patterns of characters. Abbreviations for "regular expression" include "regex" and "regexp"...
  
   searches of its music library, and is stated to perform efficiently with music libraries of over 10,000 titles.
• Rhythmbox
  Rhythmbox
  Rhythmbox is an audio player that plays and helps organize digital music. Originally inspired by Apple's iTunes, it is free software, designed to work well under the GNOME Desktop using the GStreamer media framework. However, Rhythmbox functions on desktop environments other than GNOME.-Music...
  
   is an audio player inspired by Apple iTunes.
• Songbird
  Songbird (software)
  Songbird is a free and open source software audio player and web browser, with a stated mission "to incubate Songbird, the first Web player, to catalyze and champion a diverse, open Media Web."...
  
   is a cross-platform, open-source media player and web browser. It is built using code from the Firefox web browser. The GUI is very similar to Apple iTunes, and it is also capable of syncing with Apple iPods. Like Firefox, Songbird is extensible via downloadable add-ons. It's able to display lyrics retrieved from the net, and also the ones embedded through metadata (ID3v2 tag) after adding the LyricMaster plugin. Linux official support for Songbird was discontinued in April, 2010.

MPD-based

• GMPC (Gnome Music Player Client) is a front end for Music Player Daemon
  Music Player Daemon
  Music Player Daemon is a music player server.- Design :MPD simply runs in the background playing music from its playlist. Client programs communicate with MPD to manipulate playback, the playlist, and the database...
  
  . It’s fast and easy to use, while still making optimal use of all the functions in MPD.

Other

• Amarok is a free music player for Linux and other Unix-like operating systems using KDE. It uses Phonon to play audio.
• aTunes
  ATunes
  aTunes is a free audio player with MPlayer as its playback engine. aTunes supports MP3, Ogg Vorbis, FLAC and other formats. aTunes allows users to edit tags, organize music and rip audio CDs easily.-Media Library:...
  
   is a free, cross-platform audio player for operating systems supporting the Java
  Java (programming language)
  Java is a programming language originally developed by James Gosling at Sun Microsystems and released in 1995 as a core component of Sun Microsystems' Java platform. The language derives much of its syntax from C and C++ but has a simpler object model and fewer low-level facilities...
  
   programming language (Linux and other Unix-like OS's, Windows, Mac). aTunes is also capable of playing Internet radio streams and automatically displaying associated artist information, song videos, and song lyrics.
• Audacious
  Audacious Media Player
  Audacious is a free software audio player with a focus on low resource usage, high audio quality, and support for a wide range of audio formats. It is designed primarily for use on POSIX-compatible systems such as Linux, with limited support for Microsoft Windows...
  
   is a free media player for Linux or Linux-based systems. Audacious can be expanded via plugins, including support for all popular codecs. On most systems a useful set of plugins is installed by default, supporting MP3, Ogg Vorbis and FLAC files. Audacious looks and feels very similar to Winamp. It is compatible with ladspa plugins.
• cmus
  Cmus
  cmus is a small and fast console audio player for Unix-like operating systems.cmus is distributed under the terms of the GNU General Public License and operates exclusively through a text-only interface, built with ncurses....
  
   is a small and fast text-mode music player for Linux and many other Unix-like operating systems.
• JuK
  JuK
  JuK is a free software audio player by KDE, the default player since K Desktop Environment 3.2. JuK supports collections of MP3, Ogg Vorbis, and FLAC audio files....
  
   is a free software audio player for KDE, the default player since KDE 3.2. JuK supports collections of MP3, Ogg Vorbis, and FLAC audio files.
• mpg123
  Mpg123
  mpg123 is a fast, free and console MPEG audio player software program for UNIX and Linux operating systems. mpg123 was ported to the Windows platform using Cygwin and MinGW. It supports MPEG-1 and -2, layers 1, 2 and 3. Its most common use is to play MP3 files...
  
   http://www.mpg123.org/ is a real time MPEG 1.0/2.0/2.5 audio player/decoder for layers 1,2 and 3 (MPEG 1.0 layer 3 aka MP3 most commonly tested). Among others working with Linux, MacOSX, FreeBSD, SunOS4.1.3, Solaris 2.5, HPUX 9.x, SGI Irix and Cygwin or plain Windows. It is free software licensed under LGPL 2.1
• MOC
  Music on Console
  Music On Console is an ncurses-based console audio player for Linux/UNIX written by Damian Pietras. It is designed to be powerful and easy to use, with a command structure and window layout inspired by the Midnight Commander console file manager...
  
   is an ncurses
  Ncurses
  ncurses is a programming library that provides an API which allows the programmer to write text user interfaces in a terminal-independent manner. It is a toolkit for developing "GUI-like" application software that runs under a terminal emulator...
  
  -based console audio player. It is designed to be powerful and easy to use, and its command structure and window layouts are similar to the Midnight Commander
  Midnight Commander
  GNU Midnight Commander is a free cross-platform orthodox file manager and a clone of Norton Commander originally created by Miguel de Icaza.Midnight Commander is licensed under the terms of the GNU General Public License.-Design:...
  
   console file manager. It is very configurable, with ALSA, OSS
  Open Sound System
  The Open Sound System is an interface for making and capturing sound in Unix or Unix-like operating systems. It is based on standard Unix devices...
  
   or JACK
  JACK Audio Connection Kit
  JACK is a professional sound server daemon that provides real-time, low latency connections for both audio and MIDI data between applications that implement its API...
  
   outputs, customizable color schemes, interface layouts, key bindings, and tag parsing.
• SoX
  SoX
  Sound eXchange, abbreviated SoX, is a free cross-platform digital audio editor, licensed under the GNU General Public License, and distributed by Chris Bagwell through SourceForge.net...
  
   is a multi-platform command-line audio editor.
• XMMS
  XMMS
  The X Multimedia System is a free audio player for Unix-like systems.-History:XMMS was originally written as X11Amp by Peter and Mikael Alm in November 1997. The player was made to resemble Winamp, which was first released in May that year. As such, XMMS has supported Winamp 2 "classic" skins...
  
   (X MultiMedia System) is a GTK1-based multimedia player which works on many platforms, but has some features which only work under Linux. XMMS can play media files such as .ogg, MP3, MOD’s, WAV and others with the use of input plugins. It is a free software audio player similar to Winamp that runs on many Unix-like operating systems. However, development of XMMS has been deprecated in favor of XMMS2
  XMMS2
  XMMS2 is a new generation of the XMMS audio player. It is a new design, written from scratch, separate from the XMMS codebase...
  
  , a new audio player built from scratch on the more modern GTK2 libraries. See also Audacious on this page as a successor to the historic XMMS.

Distributions and Add-Ons

• 64 Studio – http://64studio.com (Debian-based)
• dynebolic, http://www.dynebolic.org/
• Musix GNU+Linux, http://www.musix.org.ar/
• Planet CCRMA
  Planet CCRMA
  Planet CCRMA is a collection of Red Hat packages to help set up and optimize a Red Hat-based workstation for audio work.- Overview :...
  
  , a major add-on for Red Hat Linux
  Red Hat Linux
  Red Hat Linux, assembled by the company Red Hat, was a popular Linux based operating system until its discontinuation in 2004.Red Hat Linux 1.0 was released on November 3, 1994...
  
   with lots of excellent tools and system mods
• Puredyne, http://puredyne.goto10.org (Ubuntu based)
• Ubuntu Studio
  Ubuntu Studio
  Ubuntu Studio is an officially recognized derivative of the Ubuntu Linux distribution, which is explicitly geared to general multimedia production. The original version, based on Ubuntu 7.04, was released on May 10, 2007.-Real-time kernel:...
  
  , an Ubuntu-based distribution geared toward multimedia

Audio programming languages (text-based)

• ChucK
  ChucK
  ChucK is a concurrent, strongly timed audio programming language for real-time synthesis, composition, and performance, which runs on Mac OS X, Linux, Microsoft Windows, and iPhone/iPad. It is designed to favor readability and flexibility for the programmer over other considerations such...
  
  , an audio programming language for realtime synthesis, composition, and performance.
• Csound
  Csound
  Csound is a computer programming language for dealing with sound, also known as a sound compiler or an audio programming language, or more precisely, a C-based audio DSL. It is called Csound because it is written in C, as opposed to some of its predecessors...
  
  , composition, synthesis and processing.
• Nyquist
  Nyquist (programming language)
  Nyquist is a programming language for sound synthesis and analysis based on the Lisp programming language. It is an extension of the XLISP dialect of Lisp....
  
  , Lisp-based language for sound generation and analysis. Audacity
  Audacity
  Audacity is a free software, cross-platform digital audio editor and recording application. It is available for Windows, Mac OS X, Linux and BSD.Audacity was created by Dominic Mazzoni while he was a graduate student at Carnegie Mellon University...
  
   supports plug-ins written in the Nyquist language.
• SuperCollider
  SuperCollider programming language
  SuperCollider is an environment and programming language originally released in 1996 by James McCartney for real-time audio synthesis and algorithmic composition....
  
  , Smalltalk-like language for real-time audio synthesis.

Recording, editing and mastering

• Ardour
  Ardour (audio processor)
  Ardour is a hard disk recorder and digital audio workstation application. It runs on Linux, Mac OS X and FreeBSD. Its primary author is Paul Davis, who is also responsible for the JACK Audio Connection Kit...
  
  , a multi-track audio recorder.
• Audacity
  Audacity
  Audacity is a free software, cross-platform digital audio editor and recording application. It is available for Windows, Mac OS X, Linux and BSD.Audacity was created by Dominic Mazzoni while he was a graduate student at Carnegie Mellon University...
  
  , audio editor.
• Baudline
  Baudline
  The baudline time-frequency browser is a signal analysis tool designed for scientific visualization. It runs on several Unix operating systems under the X Window System...
  
  , signal analyzer.
• Buzztard
  Buzztard
  Buzztard is a free software project to create a clone of the Buzz music composer. The driving motivation is to preserve the playability of the compositions made with Buzz. Songs are made by adding virtual sound generators and effects, connecting them, recording short musical phrases and arranging...
  
  , music composer.
• Ecasound
  Ecasound
  Ecasound is a hard-disk recording and audio processing tool for Unix-like computer operating systems including Linux, Mac OS X, and FreeBSD....
  
  , audio recorder.
• Gnome Wave Cleaner
  Gnome Wave Cleaner
  Gnome Wave Cleaner is a digital audio editor application. The graphical user interface for the editor has been produced using the GTK+ widget toolkit...
  
  , denoise, dehiss and amplify.
• Impro-Visor
  Impro-Visor
  Impro-Visor is an educational tool for creating and playing a lead sheet, with a particular orientation toward representing jazz solos.- Improvisation Advisor :...
  
  , edit and playback jazz solos over chord changes and rhythm.
• Jokosher
  Jokosher
  Jokosher is a free, non-linear multi-track digital audio editor, the source code of which is released under the GNU GPL. It is being developed in Python, using the GTK+ interface and GStreamer as an audio back-end, initially just for the Linux operating system but now also with support for Windows...
  
  , audio editor.
• LinuxSampler
  LinuxSampler
  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...
  
  , sampler.
• LMMS
  LMMS
  Linux MultiMedia Studio or LMMS, is a free software digital audio workstation. Music can be produced by synthesizing sounds, arranging samples, and playing on a MIDI keyboard by combining the features of trackers, sequencers and synthesizers. It supports LADSPA and VST plugins.LMMS is available for...
  
  , music composer
• Mp3gain
  MP3Gain
  MP3Gain is an audio normalization software tool. The tool is available on multiple platforms and is free software. It analyzes the MP3 and reversibly changes its volume. The volume can be adjusted for single files or as album where all files would have the same perceived loudness...
  
  , adjust MP3 playback volume without re-encoding.
• Mp3splt
  Mp3splt
  Libmp3splt is a free digital audio splitter library that runs on Linux, and Microsoft Windows operating systems. The source code for libmp3splt is released under the GNU General Public License. Libmp3splt is a library based on mp3splt...
  
  , splits MP3
  MP3
  MPEG-1 or MPEG-2 Audio Layer III, more commonly referred to as MP3, is a patented digital audio encoding format using a form of lossy data compression...
  
   and Ogg Vorbis
  Vorbis
  Vorbis is a free software / open source project headed by the Xiph.Org Foundation . The project produces an audio format specification and software implementation for lossy audio compression...
  
   files without re-encoding.
• MusE
  MusE
  MusE is a free software MIDI/Audio sequencer with recording and editing capabilities. It was originally written by Werner Schweer and now is developed by the Muse development team....
  
  , MIDI sequencer (not to be confused with MuSE
  Muse
  The Muses in Greek mythology, poetry, and literature, are the goddesses who inspire the creation of literature and the arts. They were considered the source of the knowledge, related orally for centuries in the ancient culture, that was contained in poetic lyrics and myths...
  
  ).
• NoteEdit
  NoteEdit
  NoteEdit is a defunct music scorewriter for Linux and other Unix-like computer operating systems.NoteEdit is written in C++, uses the Qt toolkit, and is integrated with KDE. Released under the GNU General Public License, NoteEdit is free software....
  
  , score writer.
• MuseScore
  MuseScore
  MuseScore is free and open source music notation software for Microsoft Windows, Mac and Linux. MuseScore is a WYSIWYG editor, complete with support for score playback and import–export of MusicXML and standard MIDI files...
  
  , score writer
• Renoise
  Renoise
  Renoise is a contemporary digital audio workstation based upon the heritage and development of tracker software. Its primary use is the composition of music using sound samples, soft synths, and effects plug-ins. It is also able to interface with MIDI and OSC equipment...
  
  , modern tracker-style sequencer.
• ReZound
  ReZound
  ReZound is a digital audio editor, primarily for, but not limited to the Linux operating system. Licensed under the GNU GPL, ReZound is free software. Presently, ReZound's focus is on editing audio files for permanent change as opposed to arranging and/or filtering existing audio files to produce a...
  
  , audio editor.
• Qtractor
  Qtractor
  Qtractor is a hard disk recorder and digital audio workstation application for Linux. Qtractor is written in C++ and is based around the Qt4 library. Its author is Rui Nuno Capela, who is also responsible for the very widely used Qjackctl, Qsynth and line of Linux audio software...
  
  , a full featured multi-track DAW, with audio and MIDI sequencer.
• Rosegarden
  Rosegarden
  Rosegarden is a free software digital audio workstation program developed for Linux with ALSA and QT4. It acts as an audio and MIDI sequencer, scorewriter and musical composition and editing tool...
  
  , MIDI sequencer.
• Seq24
  Seq24
  Seq24 is a software MIDI music sequencer that runs under Linux and Microsoft Windows. It is designed to be simple to use and appropriate for live performance.Distributed under the terms of the GNU General Public License, Seq is free software....
  
  , a loop based midi sequencer.
• Sweep
  Sweep (software)
  Sweep is a digital audio editor and live playback tool for Linux, BSD and compatible systems. It is able to handle many sound formats, including MP3, WAV and Vorbis. The most notable feature of Sweep is its stylus-like cursor tool called Scrubby....
  
  , audio editor.
• Traverso DAW
  Traverso DAW
  Traverso DAW is a cross-platform multitrack audio recording and audio editing suite with support for CD mastering and non-linear processing. It is Free Software, licensed under the GNU General Public License....
  
  , a multi-track audio recorder.

Sound servers

• aRts
  ARts
  aRts, which stands for analog Real time synthesizer, is an audio framework that is no longer under development. It is best known for previously being used in KDE to simulate an analog synthesizer....
  
  , the KDE 3 soundserver.
• Phonon
  Phonon (KDE)
  Phonon is the multimedia API provided by Qt and is the standard abstraction for handling multimedia streams within the KDE Software Compilation 4....
  
  , the multimedia framework provided by Qt 4 and used in KDE 4.
• EsounD
  ESound
  Esound is a small sound daemon for both Linux and UNIX. ESD was created to provide a consistent and simple interface to the audio device, so applications do not need to have different driver support written per architecture. It was also designed to enhance capabilities of audio devices such as...
  
  , the Enlightened Sound Daemon.
• JACK Audio Connection Kit
  JACK Audio Connection Kit
  JACK is a professional sound server daemon that provides real-time, low latency connections for both audio and MIDI data between applications that implement its API...
  
  , low latency sound server.
• NAS
  Network Audio System
  The Network Audio System is an open-source, network-transparent, client–server audio transport system. It can be described as the audio equivalent of the X Window System. NAS works on Unix and Microsoft Windows platforms. The project began in the early 1990s...
  
  , the Network Audio System.
• NMM
  Network-Integrated Multimedia Middleware
  The Network-Integrated Multimedia Middleware is a flow graph based multimedia framework. NMM allows a programmer to create distributed multimedia applications: local and remote multimedia devices or software components can be controlled transparently and integrated into a common multimedia...
  
  , Network-Integrated Multimedia Middleware.
• PulseAudio
  PulseAudio
  PulseAudio is a cross-platform, networked sound server commonly used on the Linux-based and FreeBSD operating systems.PulseAudio runs under Microsoft Windows, Mac OS X, and POSIX-compliant platforms, such as Linux and FreeBSD...
  
  , a sound server. A drop-in replacement for EsounD.

Synthesizers

• Amsynth
  Amsynth
  amSynth is an open source realtime software synthesizer for Linux. Its operation is similar to analog Moog Minimoog and Roland Juno-60 synthesizers from the 1970s....
  
  
• Bristol
  Bristol (software)
  Bristol is an open source software synthesizer for Linux.Bristol consists of two components, the emulation or synthesis engine itself called bristol, and a graphical user interface called brighton. As of 2010 there are over 35 keyboards implemented, a range of organs, electric pianos and...
  
  , synthesiser emulation package.
• din
  Din (din is noise)
  Din is a free software musical instrument for the GNU/Linux operating system. A Din player uses the computer mouse to pick both the pitch and the volume of a sound from an on-screen keyboard that displays the notes of the current scale and a number of microtones in-between...
  
  , software synthesiser, musical instrument (uses computer mouse as bow)
• FluidSynth
  FluidSynth
  FluidSynth, formerly known as iiwusynth, is a free open source software synthesizer which converts MIDI note data into an audio signal using SoundFont technology without need for a SoundFont-compatible soundcard. FluidSynth can act as a virtual MIDI device, capable of receiving MIDI data from any...
  
  , with the QSynth
  FluidSynth
  FluidSynth, formerly known as iiwusynth, is a free open source software synthesizer which converts MIDI note data into an audio signal using SoundFont technology without need for a SoundFont-compatible soundcard. FluidSynth can act as a virtual MIDI device, capable of receiving MIDI data from any...
  
   interface.
• Gnaural
  Gnaural
  Gnaural is brainwave entrainment software for Windows, Mac OS X, and Linux licensed under the GNU General Public License. Gnaural is free software for creating binaural beats intended to be used as personal brainwave synchronization software, for scientific research, or by professionals...
  
  , binaural beat and pink noise synthesizer.
• LMMS
  LMMS
  Linux MultiMedia Studio or LMMS, is a free software digital audio workstation. Music can be produced by synthesizing sounds, arranging samples, and playing on a MIDI keyboard by combining the features of trackers, sequencers and synthesizers. It supports LADSPA and VST plugins.LMMS is available for...
  
  , tracker/sequencer/synth.
• PySynth
  PySynth
  PySynth is a lightweight open source software synthesizer written in Python. It accepts a song as a nested list and outputs a WAV file with the synthesized audio.There is also some limited support for music in ABC music notation.-External links:...
  
  , a simple software synthesizer in Python
  Python (programming language)
  Python is a general-purpose, high-level programming language whose design philosophy emphasizes code readability. Python claims to "[combine] remarkable power with very clear syntax", and its standard library is large and comprehensive...
  
  .
• TiMidity
  TiMidity
  TiMidity++, originally and still frequently informally called TiMidity, is a software synthesizer that can play MIDI files without a hardware synthesizer...
  
  , Play/Convert MIDI files as/to PCM
• ZynAddSubFX
  ZynAddSubFX
  ZynAddSubFX is an open source software synthesizer for Linux, Mac OS X and Microsoft Windows.For sound generation it has three hybrid synth engines that combine additive, subtractive, Fourier and other synthesis methods...
  
  , software synthesizer.

Effects processing

• FreqTweak
  FreqTweak
  FreqTweak is an open-source tool for real-time audio spectral manipulation and display. It is free software, available under the GNU General Public License. FreqTweak can be connected to other audio software using the JACK Audio Connection Kit.- Description :FreqTweak is FFT-based, and supports up...
  
  , real-time audio processing with spectral displays.
• LADSPA
  LADSPA
  LADSPA is an acronym for Linux Audio Developers Simple Plugin API. It is a standard for handling filters and effects, licensed under the GNU LGPL. It was originally designed for Linux through consensus on the Linux Audio Developers Mailing List, but works on a variety of other platforms...
  
  , the Linux Audio Developers Simple Plugin API.
• DSSI
  DSSI
  DSSI is a virtual instrument plugin architecture for use by music sequencer applications. It was designed for applications running under Linux, although there is nothing specific to Linux in the interface itself...
  
  , Disposable Soft Synth Interface, a virtual instrument (software synthesizer) plugin architecture.
• SoX
  SoX
  Sound eXchange, abbreviated SoX, is a free cross-platform digital audio editor, licensed under the GNU General Public License, and distributed by Chris Bagwell through SourceForge.net...
  
  , the Audio Swiss Army knife.
• LV2
  LV2
  LV2 is an open standard for plugins and matching host applications, mainly targeted at audio processing and generation.LV2 is a simple but extensible successor of LADSPA, intended to address the limitations of LADSPA which many applications have outgrown.Currently there is support for LV2 in...
  
  , is the new audio Linux standard for plugins.

Radio broadcasting

• Campcaster
  Campcaster
  Campcaster is a free and open source radio management application for live broadcasting, remote broadcast automation , and program exchange between radio stations...
  
  , an automation system for radio stations.
• Icecast
  Icecast
  Icecast is a streaming media project released as free software maintained by the Xiph.org Foundation. It also refers specifically to the server program which is part of the project. Icecast was created in December 1998/January 1999 by Jack Moffitt and Barath Raghavan to provide an open source...
  
  , free server software for streaming multimedia.
• SomaPlayer
  SomaPlayer
  SomaPlayer is part of the Soma project. It is an open source broadcast tool for DJing internet radio stations....
  
  , radio broadcasting scheduler automation.

Tablature software

• TuxGuitar
  TuxGuitar
  TuxGuitar is a free, open source tablature editor, which includes basic features such as tablature editing, score editing, triplet support and the ability to import and export Guitar Pro gp3, gp4, and gp5 files. In addition, TuxGuitar can function as a basic MIDI editor using the tablature or staff...
  
  , a tabulature editor, score writer and player oriented for guitarists.

External links

• Linux Audio and Sound – Application and Software Index at linuxaudio.org