What are some alternatives?
When comparing Django and Flask, you can also consider the following products
Ruby on Rails - Ruby on Rails is an open source full-stack web application framework for the Ruby programming...
Laravel - A PHP Framework For Web Artisans
Meteor - Meteor is a set of new technologies for building top-quality web apps in a fraction of the time.
ExpressJS - Sinatra inspired web development framework for node.js -- insanely fast, flexible, and simple
CodeIgniter - A Fully Baked PHP Framework