Django

In short: A “batteries-included” web framework for Python — comes with an ORM, an admin interface, authentication and more built in, instead of having to assemble them individually.

In more detail: Django follows the philosophy of providing a finished, well-integrated solution for most standard tasks of a web application (database access, user management, forms), instead of just offering a bare-bones skeleton like more minimalist frameworks. Particularly well known for its automatically generated admin panel for database content.

In Depth

Model-View-Template architecture

Django follows the Model-View-Template pattern (a variant of MVC, with slightly different term mapping — Django’s “view” corresponds more closely to the classic “controller”): models define the data structure in Python classes and are automatically mapped to database tables by Django’s built-in ORM, views contain the application logic (which data is loaded, what action happens on a request), templates render the final HTML with embedded placeholders for dynamic content.

from django.db import models
 
class Order(models.Model):
    customer = models.CharField(max_length=100)
    amount = models.DecimalField(max_digits=8, decimal_places=2)
    created_at = models.DateTimeField(auto_now_add=True)
 
    def __str__(self):
        return f"Order from {self.customer}"

Automatic generation from the model

From such a model definition, Django automatically generates several interconnected building blocks:

• Database table: via “migrations” (comparable to versioned schema-change scripts, automatically derivable from changes to the model classes).
• Admin interface: a complete, immediately usable web interface for managing records, with no additional code of your own — an enormous time saver for internal tools or quick prototyping.
• Form base: forms that automatically validate the model fields (required fields, maximum length, correct data types), instead of manually rebuilding every validation rule.
• Query API: a powerful ORM for querying data in Python syntax instead of raw SQL (Order.objects.filter(amount__gt=100)).

Django vs. minimalist frameworks

This “batteries-included” approach contrasts with more minimalist frameworks like Flask (also Python) or Express (Node.js), which deliberately only provide a lean skeleton (routing, HTTP handling) and leave it entirely up to the developer which libraries to combine for the database, authentication, forms, etc. Django offers a faster start and more consistency in return (every Django project looks structurally similar), while the more minimalist alternatives offer more flexibility for unconventional architectures that don’t fit Django’s prescribed pattern.

Security “out of the box”

Django places great emphasis on secure defaults: automatic protection against SQL injection (through the ORM abstraction, which never builds user input directly into SQL strings), built-in CSRF protection (cross-site request forgery — prevents other websites from unnoticeably submitting forms on behalf of a logged-in user), and automatic escaping of user input in templates against XSS attacks. These security mechanisms are active by default, instead of having to be optionally switched on — a deliberate design decision that lowers the barrier to building secure applications.

See also: Node.js, PostgreSQL, Authentication