Django

http://jupo.org/ - empreendimento desenvolvendo sobre o django.

http://mezzanine.jupo.org/ - um CMS desenvolvido sobre a base Django

http://stackoverflow.com/questions/2946183/how-to-backup-an-appengine-site - How to backup an AppEngine site? - vou retomar isso quando do proximo ciclo de backup.

http://www.jeffknupp.com/blog/2012/02/09/starting-a-django-project-the-right-way/

http://www.jeffknupp.com/blog/2012/10/24/starting-a-django-14-project-the-right-way/

http://www.oppsproject.org/en/latest/ - um CMS com base no Django.