drumkv1
drumkv1 is an old school drum-kit sampler

Petri-Foo
Sound Sampler

QjackCtl
QjackCtl is a JACK Audio Connection Kit Qt GUI Interface

QmidiNet
QmidiNet is a MIDI Network Gateway via UDP/IP Multicast
Qsampler
Qsampler is a LinuxSampler Qt GUI Interface
Qtractor
Qtractor is an Audio/MIDI multi-track sequencer application
samplv1
samplv1 is an old school polyphonic sampler
synthv1
synthv1 is an old school polyphonic synthesizer

QXGEdit
QXGEdit is a Qt GUI XG editor application

padthv1
padthv1 is an old school polyphonic additive synthesizer

QjackMMC
QjackMMC connects to MMC capable devices and programs to drive JACK transport
QmidiCtl
MIDI Remote Controller via UDP/IP Multicast

Qsynth
Qsynth is a FluidSynth Qt GUI Interface