One or more aspects of the subject matter described in this disclosure include identifying a first application component received by a running application, identifying a first automatically connectable connection for the first application component, selecting a second automatically connectable connection for a second application component, the second application component residing in the running application, and automatically connecting the first connection with the second connection so that information can be exchanged between the first application component and the second application component by way of the first connection and the second connection while the first application is running.