Cantabile - Plugin host for live performance.
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.
VSTHost - Hostprogram for VST-Plugins with ASIO-Support
Gig Performer - Gig Performer is a cross-platform audio plugin host for live music performances
Audified inTone - Multichannel FX processor, software mixing console, virtual instruments host and a flexible multitrack zonal player.
SAVIHost - Make VST instrument plugins into standalone apps.