This list of free software for audio lists notable free and open source software for use by sound engineers, audio producers, and those involved in sound recording and reproduction.
Audio analysis
See also: Spectrum analyzer
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| Baudline | SigBlips contract engineering design and development firm | Yes | Yes | Yes | | baudline signal analyzer - a scientific visualization tool | proprietary and GPL source code licenses are available |
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| BRP-PACU | | Yes | Yes | | | Dual channel FFT tool for equalization of sound systems using the transfer function. | GPL |
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| Praat | Paul Boersma and David Weenink of the University of Amsterdam | Yes | Yes | | Yes | A program for the analysis of speech in phonetics. | GPL |
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| Sonic Visualiser | Centre for Digital Music at Queen Mary, University of London | Yes | Yes | | Yes | | GPL |
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| Spek | Alexander Kojevnikov | Yes | Yes | Yes | Yes | | GPL |
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| WaveSurfer | | Yes | Yes | | Yes | | Permissive free software |
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Converters
Modular systems
Platforms
Various projects have formed to integrate the existing free software audio packages.
Programming languages
Many computer music programming languages are implemented in free software. See also the comparison of audio synthesis environments.
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| Csound | Csound community, Barry Vercoe | Yes | Yes | No? | Yes | | LGPL |
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| SuperCollider | SuperCollider community, James McCartney | Yes | Yes | Yes? | Yes | | GPL |
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| ChucK | | Yes | Yes | No? | Yes | | GPL |
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| Nyquist | Computer Music Project at Carnegie Mellon University, Roger B. Dannenberg | Yes | Yes | Yes | Yes | | |
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| Pure Data | Pd Community, Miller Puckette | Yes | Yes | Yes | Yes | | BSD-like |
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Radio broadcasting
See also streaming below.
Recording and editing
The following packages are digital audio editors.
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| Ardour | Paul Davis | Yes | Yes | Yes | No | multi-track audio recorder |
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| Audacity | Dominic Mazzoni | Yes | Yes | Yes | Yes | multi-track audio recorder |
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| AudioChain | Florian Paul | Yes | Yes | Yes | Yes | multi-track audio recorder |
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| Ecasound | | Yes | Yes | Yes | Yes limited support through Cygwin | audio recorder |
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| Eisenkraut | Hanns Holger Rutz (site) | Yes | Yes | Yes | Yes | connects to SuperCollider |
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| harmonySEQ | Rafal Cieslak (site) | Yes | No | | No | MIDI sequencer |
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| Jokosher | Jokosher community | Yes | No | | Yes | multi-track audio editor |
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| LMMS | Tobias Doerffel | Yes | Yes as of 0.4.0 with Qt4 | | Yes | Free cross-platform alternative to commercial programs like FL Studio®, which allow you to produce music with your computer.
Intended as a replacement for Cubase-like software (DAW) |
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| MusE | | Yes | No | | No | MIDI sequencer |
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| Qtractor | | Yes | No | | No | A non-destructive multi-track audio and MIDI Workstation (DAW) |
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| ReZound | Davy Durham | Yes | No | No | No | Graphical audio file editor |
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| Rosegarden | | Yes | No | | No | MIDI sequencer and multi-track recorder |
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| SoX | | Yes | Yes | Yes | Yes | command-line multi-track audio editor/processor |
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| Sweep | Conrad Parker | Yes | No | Yes | No | |
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| Traverso DAW | Remon Sijrier (site) | Yes | Yes | | Yes | multi-track audio recorder and editor |
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| WaveSurfer | Centre for Speech Technology at KTH | Yes | Yes | Yes | Yes | |
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Softsynths
Streaming
These programs are for use with streaming audio.
Technologies
These music sequencer programs allow users to arrange notes (pitch-shifted sound samples) on a timeline: see tracker (music software).
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| Buzztard | | Yes | Unknown | Yes | Unknown | Buzz clone |
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| CheeseTracker | Juan Linietsky (site) | Yes | Yes | | No | Impulse Tracker clone |
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| MilkyTracker | (site) | Yes | Yes | Yes | Yes | Also runs on various other platforms including but not limited to Windows Mobile, PlayStation and AmigaOS 4. |
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| OpenMPT | Olivier Lapicque | No | No | No | Yes | released as free software in 2004 |
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| Psycle | | No | No | No | Yes | a tracker combined with modular capabilities |
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| SoundTracker | | Yes | No | Yes | No | Fast Tracker clone |
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Other
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| Aria Maestosa | Auria | Yes | Yes | Yes | Yes | a multi-track MIDI sequencer |
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| Gnaural | | Yes | Yes | Yes | Yes | Binaural beat and pink noise generator |
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| GNU LilyPond | Han-Wen Nienhuys and Jan Nieuwenhuizen | Yes | Yes | Yes | Yes | a music engraving program |
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| Hydrogen | | Yes | Yes | Partial | Partial | an advanced drum machine |
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| Impro-Visor | Bob Keller | Yes | Yes | Yes | Yes | lead sheet notation, jazz improvisation, auto-accompaniment |
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| orDrumbox | | Yes | Yes | Yes | Yes | a Java based drum machine |
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| libsndfile | | Yes | Yes | Yes | Yes | library for reading and writing many sound formats |
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See also
References
External links
