In addition to what is provided by the "zero" project, this project provides thorough integration with django-user-accounts, adding comprehensive account management functionality. It is a foundation suitable for most sites that have user accounts.
Pinax is an open-source platform based on Django and intended to provide a starting point for websites. It takes care of the things that many sites have in common, so you can focus on what makes your site different.
See pinaxproject.com for more information.