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|Developer(s)||Rui Nuno Capela|
0.9.3 / 7 December 2018
|Written in||C++ (Qt)|
|Available in||English, French, Portuguese, Spanish, Italian, German, Czech, Russian, Japanese|
|Type||Digital audio workstation|
|License||GNU General Public License|
Qtractor is a hard disk recorder and digital audio workstation application for Linux. Qtractor is written in C++ and is based on the Qt framework. Its author is Rui Nuno Capela, who is also responsible for the Qjackctl, Qsynth and Qsampler line of Linux audio software. Qtractor's intention is to provide digital audio workstation software simple enough for the average home user, and yet powerful enough for the professional user.
Qtractor is currently under rapid development, and Git versions are updated often with new features.
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).
Currently Qtractor is simply the hobby project of one developer. Development was started on April 2005, initially as a Qt3 application. Since October 2006, it is officially a Qt4 application. Meanwhile it can be built against Qt5.
Qtractor relies on plugins to enable many features from audio effects processing to dynamic control. Qtractor supports the LADSPA plugin architecture, as well as DSSI, native Linux VST and LV2. Support for Steinberg's VST plugin standard with Wine is available using the DSSI-VST wrapper. Qtractor stores these connections, and re-establishes them when a project is reloaded.