TIBCO ActiveMatrix Policy Manager is a distributed, standards-based SOA policy solution that provides the definition, distribution, and enforcement of policies across heterogeneous Java-, .NET-, and J2EE-based services. Leveraging this integrated policy management console, SOA architects can declare policies and apply them to heterogeneous, distributed services in a consistent way.
webMethods Mediator is a service intermediary that enforces the runtime policies you create in CentraSite. Mediator also virtualizes shared services, making it easy to change services. Combined with CentraSite, Mediator provides end-to-end governance of all your services and APIs from development to runtime. Combined with webMethods Enterprise Gateway, Mediator provides comprehensive API Gateway functionality.