To paraphrase: "Whoever does not know Django, is doomed to reinvent it". You can use Django with its "batteries included" philosophy. Or you can use Flask and

To paraphrase: "Whoever does not know Django, is doomed to reinvent it". You can use Django with its "batteries included" philosophy. Or you can use Flask and start adding in lots of extra libraries (which may or may not play together nicely) to get an ORM, user models, admin site, etc. etc. So you end up reinventing a full web framework based on Flask.