Loopy Pro - Loopy, the sophisticated, tactile live looper app that reinvents iPhone and iPad music making.
keezy - A colorful soundboard. Play with music.
Repetito - Repetito: the multichannel looper software for live performance on the PC.
SoundGrail - SoundGrail Music App designed for pianists, guitarists, and DJs.
Group the Loop - Live Looping with usefull GUI, Verse/Chorus layer system, drummer, effects, etc...
Aftertouch - Aftertouch – 3D MIDI Controller created and published by Kevin Nelson.