UVI Workstation is described as 'completely free multi-timbral instrument that provides unlimited parts, integrated effects, live performance features, and a smooth real-time workflow' and is an app in the Audio & Music category. There are seven alternatives to UVI Workstation for Windows, Mac, Linux and BSD. The best alternative is LinuxSampler, which is both free and Open Source. Other great apps like UVI Workstation are Kontakt (Paid), Grace Sampler (Free), H. G. Fortune VST Synthesizers (Free) and TX16Wx (Freemium).
VSampler transforms your PC into a 255 voice polyphonic software sampler that is able to use any recorded sound as a musical instrument. It provides all of the classical sampler features in excellent sound quality, and also offers you a multitude of unique new opportunities.