Django. Specifically, I use pydanny's django cookiecutter (https://github.com/pydanny/cookiecutter-django https://github.com/pydanny/cookiecutter-django) which

Django. Specifically, I use pydanny's django cookiecutter (https://github.com/pydanny/cookiecutter-django https://github.com/pydanny/cookiecutter-django) which gives me pretty much everything I need including user signup, login, and social auth. Skin with your templates and off you go. Another nice thing is that this give be basic setup for 12-factor app and realtively simple production deployment to Heroku, redshift, or docker (if that is your thing). Also, pydanny is the same person who wrote Two Scoops of Django.