openSUSE:11.4 The openSUSE 11.4 distribution The openSUSE 11.4 distribution. rpm and iso file downloads are disabled by intention, please use our official released RCs from the download mirrors. https://download.opensuse.org/distribution/11.4/repo/oss/ qtractor An Audio/MIDI multi-track sequencer Qtractor is an Audio/MIDI multi-track sequencer application written in C++ around the Qt4 toolkit using Qt Designer. 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.