free audio software

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 Windows and Mac OS, but the largest quantity of the free audio software only runs on GNU/Linux. Dynebolic, Planet CCRMA and AGNULA are GNU/Linux distributions designed for musicians and/or audio engineers.

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 is a daemon 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
Audacity
Ecasound
MusE (not to be confused with MuSE; see below.)
Rosegarden
Sweep

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 new concurrent, on-the-fly audio programming language, (just released!) http://chuck.cs.princeton.edu/
see computer music programming languages

Modular systems

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

Audio analysis

see spectrum analyzer

WaveSurfer http://www.speech.kth.se/wavesurfer/

External links

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