tipfy.ext.xmpp is developed and maintained by
Rodrigo Moraes <rodrigo.moraes@gmail.com>.

tipfy.ext.blobstore also includes open source libraries or adapted code from
the following projects:

- `Google App Engine SDK <http://code.google.com/appengine/>`_
  Copyright (c) 2007 Google Inc.
  License: Apache 2.0
