Django makes it nearly trivial to switch: * Email backend: https://docs.djangoproject.com/en/dev/topics/email/#defining-a-custom-email-backend https://docs.dja

Django makes it nearly trivial to switch: * Email backend: https://docs.djangoproject.com/en/dev/topics/email/#defining-a-custom-email-backend https://docs.djangoproject.com/en/dev/topics/email/#defining... * User model: https://docs.djangoproject.com/en/1.7/topics/auth/customizing/#specifying-a-custom-user-model https://docs.djangoproject.com/en/1.7/topics/auth/customizin... * Authentication backend: https://docs.djangoproject.com/en/1.7/topics/auth/customizing/#writing-an-authentication-backend https://docs.djangoproject.com/en/1.7/topics/auth/customizin... * Databases Django makes is very easy to write * Views which extend from generic CBV and only need you to customize your CBV * Custom template tags * Wonderful admin pages: Its amazing what you can do with just Inline, list_display, list_search, list_filter etc. If you are willing to read through a bit of ModelAdmin class, then you will see it has nearly all hook points over ridable, though some it could do with a bit of documentation around ModelAdmin hook points. When people say that `Django is not known about it's 'overridability'.`, they need to back it up with more data, because that not true at all, at least in 1.7