installed apps

Music

Ardour (VST) : Record and (re-)mix soundtracks.

BCMan : BCR2000 editor

Calf Plugin pack for JACK : instruments and effects rack

Drummer-s-Gigsaw : pattern library

DrumSynth : drums synthesizer

Hydrogen : drum machine based on samples

Jack-Mixer : mix any number of Jack channels.

JSynthLib : Synthesizer editor / librarian

Muse : midi editor (should send Midi clock but I couldn't get it working)

PureData : compose effects or soundgenerators, samplers, ...

QSampler - LinuxSampler - Gigedit : play / edit GigaSampler sample libraries

Qsynth - Fluidsynth : play SoundFont sample libraries

Qtractor : midi and audio recording+plugin host+jack connections+hardware setup

Rakarrack : Guitar effects

Rosegarden : midi editor

Seq24: sequencer with Midi clock to sync my Yamaha CS2x arpeggio.

TapStart : tap to set JACK's tempo

FreqTweak : EQ and Dynamics for jack

Stretchplayer : play ogg or flac files at different speeds without changing the pitch

Tapeutape : Sampler for JACK