| Qtractor | |
|---|---|
 | |
 Qtractor | |
| Developer | Rui Nuno Capela |
| Stable release | |
| Written in | C++ (Qt) |
| Operating system | Linux |
| Available in | English, French, Portuguese, Spanish, Italian, German, Czech, Russian, Japanese |
| Type | Digital audio workstation |
| License | GPL-2.0-or-later |
| Website | qtractor.org |
| Repository | |
Qtractor is ahard disk recorder anddigital audio workstation application forLinux. Qtractor is written inC++ and is based on theQt framework. Its author is Rui Nuno Capela, who is also responsible for theQjackctl,Qsynth and Qsampler line ofLinux audio software.[2] Qtractor's intention was to providedigital audio workstation software simple enough for the average home user, and yet powerful enough for the professional user.
Released under the terms of theGNU General Public License, Qtractor is afree and open-source software application.
Qtractor is a non-destructive digital audio and MIDI multi-track composition sequencer and arranger software application. It does not affect, alter or modify the audio and/or MIDI files that are displayed as Clip Objects. Exceptions are files resulting from capture and recording operations or from explicit changes made through specialized Clip editing (e.g., MIDI Editor).
Qtractor was simply the hobby project of one developer. Development was started in April 2005, initially as a Qt3 application. It was updated to use Qt4 in October 2006, then Qt5 in 2015. Since September 2020, it targets Qt6.
Qtractor is natively hardwired and exclusive to theJACK Audio Connection Kit infrastructure, and theALSA sequencer for MIDI. It is aLinux-only application.
Qtractor relies on plugins to enable many features fromaudio effects processing todynamic control. Qtractor supports theLADSPA plugin architecture, as well asDSSI, nativeLinux VST (versions 2 and 3),CLAP andLV2. Support forSteinberg'sVST plugin standard withWine is available using the DSSI-VST wrapper. Qtractor stores these connections, and re-establishes them when a project is reloaded.
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