TG2 has some extensions which offer built-in functionality you can add to your application. This is somewhat different from installing a WSGI application in your stack because the extensions are intended to be more tightly integrated with the components that make up a TurboGears application.
The TurboGears Admin System is a great way to get started with your database. Once your model is defined, this extension provides a set of pages to help you create, view, delete, and edit your database objects.
Turbogears2 Crud Extension gives you a framework to develop a RESTful controller method for your model class. tgext.crud provides the building blocks for utilities like tgext.admin and Catwalk.
TurboGears2 provides a set of extensions to help utilize your Geo Spatial Data.