Any Stand alone Spitfire/Warbird sims?

Does anyone know if there are any good spitfire/warbird sims/downloads that are stand alone programs, ie not add ons for flight simulator or combat flight simulator?

well iv'e seen somthing to do with spitfire sims but i dont know the name.

i have combat flight sim 3 and it has 3 spitfires. good ones to