VMetric (Spares Optimisation)
        VMetric is a 
          multi-echelon, multi-indenture stock optimizing model you can use to 
          model problems with unlimited echelons of support, hardware systems 
          of unlimited size and unlimited indenture levels. VMetric 
          also performs joint optimization of multiple end-items deployed at any 
          number of operating sites, each of which may be uniquely defined.