Core tags that can be used on any provider or container that implement the PAPI interface.
Tags that can be used to operate on a provider or container that support the ProviderContext and ContainerProviderContext interfaces.
Tags that operate on specific container building-block providers (SingleContainer, TableContainer, TabContainer, and so on).
JSP Standard tag libraries from Apache.
Tags that support the Search function.
Tags that provide theme support in the Desktop.