XPortlets
One of the challenges in developing Web applications is in providing the user with an interface that integrates existing content, server-side applications, and SOAP based Web services. XPortlets is a collection of portlets that can be used to effectively address this challenge. It is compliant with the Web Services for Remote Portals (WSRP) standard being developed at IBM. XPortlets presents a visual interface to Web services and can be used to aggregate and integrate content from various sources into a form that is suitable for all environments.