Django models visualisation graphs.

pygraphviz

sudo apt-get install graphviz
pip install django-extensions
pip install pygraphviz

# add 'django_extensions' to INSTALLED_APPS

# all models from INSTALLED_APPS (django too)
./manage.py graph_models -a -g -o my_project.png  

# just two apps: emailing and localization 
./manage.py graph_models -g -e -l dot -o my_project.png emailing localization