Free audio software is free software that can be used to listen to, modify, create and/or author audio signals and music.
There is free audio software available for Microsoft Windows and Mac OS, but the largest quantity of the free audio software only runs on GNU/Linux.
files for audio production work.
=Technologies=
ALSA is the sound card management system in the Linux kernel
LADSPA is a plugin architecture for digital sound processing
DSSI is a plugin architecture for software synthesizers and the like
JACK Audio Connection Kit is a daemon (computer software) that provides low latency connections between JACKified applications. JACK runs on GNU/Linux and Mac OS X. It can use ALSA, OSS and PortAudio.
=Audio Recording and Editing=
Ardour (audio processor)
Audacity
Ecasound
MuSE (not to be confused with MuSE; see below.)
Rosegarden
Seq24
Sweep (software)
Mp3splt - splits mp3 and ogg files without decoding (mp3splt-gtk as gui and libmp3splt as library)
=Trackers=
CheeseTracker is an Impulse Tracker clone
Soundtracker [http://www.soundtracker.org]
ModPlug Tracker was released as free software in 2004
=Programming languages=
Csound has been released under the LGPL.
SuperCollider
ChucK is a parallel programming, on-the-fly audio programming language
See computer music programming languages
=Modular systems=
SpiralSynthModular
Pure data
jMax
SynFactory
ARts
Psycle is a Jeskola Buzz clone
=Streaming=
MuSE is for mixing, encoding, and streaming of encoded audio, not to be confused with MusE; see above.
Icecast is a broadcast server to serve audio signals to clients over http.
PeerCast is an open source peercasting tool.
=Softsynths=
ZynAddSubFX
Crystal (software synthesizer)
=Audio analysis=
See spectrum analyzer
WaveSurfer [http://www.speech.kth.se/wavesurfer/]
Praat [http://www.fon.hum.uva.nl/praat/]
= Others =
Hydrogen (software).
=External Links=
[http://sound.condorow.net/ Dave Phillips Sound & MIDI Software For Linux]
[http://www.hsinlin.com/software/audio.html Free Audio Software for Microsoft Windows OS]
[http://www.freewarebox.com/category_1_audio.html Freeware Audio Software on FreewareBox.com]
[http://www.andybrain.com/archive/music_creation_tools.htm Free music creation tools]