Compuware Corporation provides software solutions (both on-premises and Software-as-a-Service (SaaS) models), professional services and application services. It delivers solutions through software, which is installed and run on its customers� owned hardware and applications (on-premises) and through a SaaS model accessed through its hosted networks. It also offers professional technical services in areas, such as mobile application development, performance engineering and system modernization. The Company operates in six business segments: Application Performance Management (APM), Mainframe, Changepoint, Uniface, Professional Services and Covisint Application Services (Covisint). On July 1, 2011, the Company acquired dynaTrace software, Inc.