Qtractor is an Audio/MIDI multi-track sequencer application written in C++ around the Qt4 toolkit.

The initial target platform will be Linux, where the Jack Audio Connection Kit (JACK) for audio, and the Advanced Linux Sound Architecture (ALSA) for MIDI, are the main infrastructures to evolve as a fairly-featured Linux Desktop Audio Workstation GUI, specially dedicated to the personal home-studio.


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    [ANN] Qtractor 0.1.3 (frugal damsel) released!

    After another quarantine period, I am pleased to announce (yet) another maintenance release of my flag-ship toy, Qtractor, an Audio/MIDI multi-track "bedroom" sequencer for the techno-boy (and girl:). Probably, the major feature highlight ... [More] for this release, is the new optional support for in-place audio clip pitch-shifting through Chris Cannam's Rubber Band Audio Time Stretcher library. This one alone just closes the gap on the techno-boy/girl bedroom-studio prospects, so let's move along, nothing really new to see here :) However, given there were many inner changes in the audio rendering engine everything might just sound a lot less glitchy than previous releases. Therefore, everybody is welcome to upgrade. And please, don't be shy ;) (0 comments) [Less]

    [ANN] Qtractor 0.1.2 (frantic dame) is out!

    Season greetings,

    As (almost) everybody knows already, or ought to, Qtractor is an Audio/MIDI multi-track sequencer application, written in C on the Qt4 framework and Linux is about its native platform. Thus, JACK and ALSA are the main infrastructures that fit to purpose, respectively for audio and MIDI. (0 comments)

    [ANN] Qtractor 0.1.1 (futile duchess) released!

    After some time in quarantine, meaning that it just passed almost 40 days since its last public appearance, the frivolous debutante has matured a bit but not that much. Truth is, it is not quite healed and in fact, it is getting seriously bloated ;) (0 comments)

    [ANN] Qtractor 0.1.0 (frivolous debutante) released!

    Can't hold it anymore... :)

    Since its primordial presentation on the LAC2007@TU-Berlin, almost one year ago, I guess it's finally ready for an official public release. So here it goes. (0 comments)

    Qtractor 0.0.9.778 (adolescence prime) is out!

    Greetings,

    Before getting into great details, a new alpha-release got its heads up: (0 comments)

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Who uses Qtractor?

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Project Cost

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Codebase 47,611
Effort (est.) 12 Person Years
Avg. Salary $ year
$ 635,309