GoogleApp
Google provides a service called GoogleApp that takes a python program to run as server. Xierpa implements a builder class that allows making a server application that runs both in the regular Xierpa environment as in the GoogleApp environment.GoogleAppEngineLauncher
There is a local application for developers that simulates the online environment.
A description of the GoogleAppEngineLauncher for Mac OS X can be found here. The engine application can be downloaded here.

The “powered by” logo is available under link
<img src="http://code.google.com/appengine/images/appengine-silver-120x30.gif" alt="Powered by Google App Engine"/>
