Cantabile - Plugin host for live performance.
Loopy Pro - Loopy, the sophisticated, tactile live looper app that reinvents iPhone and iPad music making.
Blue Cat's PatchWork - Blue Cat's PatchWork is a universal plug-ins patchbay and multi FX that can host up to 64 VST, VST3, Audio Unit or built-in plug-ins into any Digital Audio Workstation (DAW) in a single instance, with both serial and parallel routing options.
Repetito - Repetito: the multichannel looper software for live performance on the PC.
VSTHost - Hostprogram for VST-Plugins with ASIO-Support
Group the Loop - Live Looping with usefull GUI, Verse/Chorus layer system, drummer, effects, etc...