A demonstration which shows one way of integrating [http://shiro.apache.org](Shiro security) with [http://code.google.com/appengine](App Engine) and [http://code.google.com/p/google-guice](Google Guice).
Front end user registration and password management is provided in as minimalistic a fashion as we could manage.
The demo, running on App Engine, can be found here.
The License is MIT.