Links for djangotoolbox
djangotoolbox-0.9.2.tar.gz
djangotoolbox-1.6.0.tar.gz
djangotoolbox-1.6.1.tar.gz
djangotoolbox-1.6.2.tar.gz
http://www.allbuttonspressed.com/blog/django/2010/04/Writing-a-non-relational-Django-backend
http://www.allbuttonspressed.com/projects/django-nonrel
http://www.allbuttonspressed.com/projects/djangotoolbox
https://bitbucket.org/fhahn/django-permission-backend-nonrel