Telerik: Telerik Test Studio supports Web Automation and WPF Automation, it has Performance and Load testing capabilities through web, so as far as Documentum Web Interface is concerned this is what is currently covered. If you like to check it yourself, you can get a new free 1 month Trial of Test Studio and see for youself to which extend you can use it. For more questions you can contact some of our sales representatives at sales@telerik.com to get a personal demo and more details on our support for your needs.