Writertopia was originally built with the Ruby on Rails framework and rearchitected for Google App Engine in 2009.
This page provides links to open source code generated from the founder's programming.
App Engine Python code
Initial work on the App Engine platform yielded the Bloog blogging software.
As Writertopia gets more mature, we'll release parts of the framework under an open source license.
Rails code
Please see the Authorization plugin page for details.