Most developers are familiar with composite application development for Lotus Notes 8 with IBM Lotus Domino Designer, IBM Lotus Component Designer or IBM Rational Application Development. But also, it is possible to create composite applications with IBM WebSphere Portlet Factory.

  1. Create portlets using WebSphere Portlet Factory
  2. Create a Web application bundle package using WebSphere Portlet Factory and deploy it in Lotus Notes 8.
  3. Create a composite application in Lotus Notes 8 using these two portlets.

The article at link provides details of the above steps.