https://github.com/sklarsa/django-sendgrid-v5
https://django-allauth.readthedocs.io/en/latest/index.html
https://django-bootstrap5.readthedocs.io/en/latest/ https://pypi.org/project/django-mathfilters/ https://django-autocomplete-light.readthedocs.io/en/master/
https://github.com/PaesslerAG/django-currentuser
https://django-debug-toolbar.readthedocs.io/en/latest/
https://django-extensions.readthedocs.io/en/latest/
https://kurozumi.github.io/django-import-export/
again