UVI Falcon - Sampler/synth hybrid instrument
Pianoteq - Pianoteq is a virtual piano that runs on your computer.
LinuxSampler - LinuxSampler - free, open source pure software audio sampler with professional grade features.
TX16Wx - Software sampler VST plugin
MOTU MachFive - The universal sampler for creative music production.
Beat’s Zampler RX - Beat’s Zampler RX is a sampler workstation with a plethora of drum kits, percussion sounds, and synth presets.