
Aeolus
Organ Emulator

MP3 Diags
MP3 Diags - diagnosis and repair tool

Alsaplayer
Versatile audio player for the Audio Linux Sound Architecture

amsynth
Two oscillator subtractive software synthesizer

Ardour Digital Audio Workstation
Record, mix and master multi-track audio
Ardour4
Record, mix and master multi-track audio
Ario
Client application to mpd

Asunder CD Ripper
An application to save tracks from an Audio CD as WAV, MP3, OGG, FLAC, and/or Wavpack.
Audacious
Listen to music
Audacity
Record and edit audio files

Banshee
Play and organize your media collection

BetaRadio Tuner
An easy way to listen to internet radio of Taiwan.
Drumstick Virtual Piano
Drumstick Virtual Piano
Bitmeter
JACK diagnostic tool
Bluemindo
Ergonomic and modern music player designed for audiophiles.

Calf Plugin Pack for JACK
Process and produce sounds using a set of plugins with JACK interface

Cecilia
Sound synthesis and audio signal processing environment
CLAM Network Editor
An audio tool to build processing networks by connecting functional boxes
CLAM Prototyper
Runs an audio processing core under a QT designer interface
Composite
Live performance sequencer
Cynthiune
A free and romantic music player
Daisy player
Player for DAISY Books

Decibel Audio Player
A simple audio player

GNU Denemo
Edit musical scores

DIN Is Noise
DIN Is Noise.
drumkv1
drumkv1 is an old school drum-kit sampler

easyMP3Gain
A GUI for mp3gain, vorbisgain and aacgain
EasyTAG
Edit audio file metadata
eBook speaker
Speaking e-reader
ebook2cw
Converts ebooks to Morse MP3s/OGGs

Ebumeter
Loudness measurement according to EBU-R128
Esperanza
XMMS2 client which aims to be as feature-full and easy-to-use as possible

Exaile
Listen to, explore, or manage your audio collection

Ex Falso
Edit tags in your audio files
FaustWorks
IDE for Faust dsp programming language

FFADO Mixer
Audio mixer for Firewire devices
FMIT
Tune musical instruments
Foo YC20
Organ synthesizer
Freebirth
Bass synthesizer/sample player/sequencer
Genpo
GENPO is the GENeral Purpose Organ.
Gespeaker
A GTK frontend for espeak
Giada
A free, minimal, hardcore audio tool for DJs, live performers and electronic musicians

gladish
LADI Session Handler

Gmerlin mixer
Alsa mixer

Gmerlin plugin configurator
Configure gmerlin plugins
gmorgan
MIDI rhythm station for ALSA

gMTP
A simple MTP Client for MP3 Players

gmusicbrowser
Jukebox for large collections of mp3/ogg/flac/mpc