The package is listed in the Python Package Index. You can use your favorite package manager like easy_install or pip:
pip install django-nomad-notifier
Or, you can clone the latest development code from its repository:
git clone git@github.com:Nomadblue/django-nomad-notifier.git
Add notifier to the INSTALLED_APPS setting of your settings.py:
INSTALLED_APPS = (
...
'notifier',
)