Overview

Django is an open-source web framework written in Python, designed to facilitate the rapid development of complex, database-driven websites. It was first released in 2005 and is maintained by the Django Software Foundation. The framework follows the Model-Template-Views (MTV) architectural pattern, which is a variation of the Model-View-Controller (MVC) pattern. In Django, the 'View' describes which data is presented to the user, while the 'Template' describes how the data is presented. The 'Model' acts as the single, definitive source of truth about your data, containing essential fields and behaviors.

One of Django's core philosophies is 'Don't Repeat Yourself' (DRY), aiming to reduce the repetition of code and promote efficient development. It provides a 'batteries-included' approach, meaning it ships with many components needed for common web development tasks built-in. This includes an Object-Relational Mapper (ORM) for interacting with databases, an administrative interface (Django Admin) that can be automatically generated from models, and a robust templating engine. These features contribute to Django's reputation for accelerating development cycles, particularly for applications requiring user authentication, content management, and database interactions.

Django is well-suited for a wide range of applications, from small-scale projects to large, enterprise-level systems. Its scalability is supported by its design principles and the ability to integrate with various database backends and caching mechanisms. The framework's strong conventions guide developers towards best practices in security, performance, and maintainability. While its opinionated nature can offer a steep learning curve for those new to its specific architectural style, it often leads to highly structured and maintainable codebases for those familiar with it. For developers accustomed to Python's syntax and ecosystem, Django provides a powerful and comprehensive toolset for building secure and high-performing web applications.

Examples of applications built with Django include Instagram, Spotify, and The Washington Post, showcasing its capability to handle high-traffic, data-intensive platforms. Its extensive documentation and active community also provide significant support for developers. The framework's emphasis on security features helps protect applications from common vulnerabilities such as cross-site scripting (XSS) and cross-site request forgery (CSRF) by default, as detailed in the Django security documentation.

Key features

  • Object-Relational Mapper (ORM): Provides an abstraction layer for database interaction, allowing developers to work with database records as Python objects without writing raw SQL. The Django ORM documentation details its querying capabilities.
  • Admin Interface: Automatically generates a professional administrative interface from your models, enabling content editors and administrators to manage data without custom code.
  • Templating Engine: A powerful, extensible template system for designing the user interface, separating presentation logic from business logic.
  • URL Dispatcher: A clean and elegant way to define URL patterns, mapping URLs to Python functions (views).
  • Form Handling: Comprehensive tools for creating forms, validating user input, and rendering forms in templates.
  • Authentication System: A robust, built-in system for user authentication, authorization, and session management.
  • Security Features: Includes built-in protections against common web vulnerabilities like XSS, CSRF, and SQL injection.
  • Internationalization and Localization: Full support for building multilingual and localized applications.
  • Scalability: Designed to be horizontally scalable, supporting various database backends and caching solutions.
  • Testing Framework: Provides a comprehensive testing client and utilities to write unit, integration, and functional tests.

Pricing

Django is an open-source project released under a BSD license. There are no direct costs associated with its use, distribution, or modification.

Service Tier Cost (as of 2026-06-11) Notes
Core Framework Free Open-source, no licensing fees.
Community Support Free Support provided through forums, mailing lists, and documentation.
Commercial Support Varies Available from third-party vendors, pricing determined by vendor.

Common integrations

  • Database Systems: Integrates with PostgreSQL, MySQL, SQLite, and Oracle. The Django database settings documentation provides configuration details.
  • Celery: For asynchronous task queues and background job processing.
  • Django REST Framework: A toolkit for building Web APIs, providing serializers, authentication policies, and viewsets.
  • Gunicorn/uWSGI: Web Server Gateway Interface (WSGI) servers for deploying Django applications in production environments.
  • Nginx/Apache: Used as reverse proxies and to serve static and media files efficiently.
  • Stripe: For payment processing, often integrated using client libraries or webhooks, as described in the Stripe Payments quickstart.
  • Redis: For caching, session storage, and as a message broker for Celery.
  • Docker: For containerization and consistent deployment across different environments. Refer to Docker's getting started guide for containerization basics.

Alternatives

  • Ruby on Rails: A full-stack web framework written in Ruby, known for its 'convention over configuration' paradigm and focus on developer productivity.
  • Flask: A micro web framework for Python, offering more flexibility and fewer built-in components than Django, allowing developers to choose their own tools for databases, ORMs, and templating.
  • Laravel: A popular PHP web framework known for its elegant syntax, robust features like Eloquent ORM, and comprehensive tools for common web development tasks.
  • Ember.js: A JavaScript framework for building ambitious web applications, focusing on developer productivity and convention over configuration, primarily for frontend.
  • Next.js: A React framework for building full-stack web applications, offering server-side rendering, static site generation, and API routes.

Getting started

To get started with Django, you'll need Python installed. The following steps demonstrate how to create a basic Django project and a simple 'Hello, World!' application.

  1. Install Django: Open your terminal or command prompt and run:
pip install django
  1. Create a new project: This command creates a project directory with the necessary files.
django-admin startproject mysite
cd mysite
  1. Run database migrations: Although this example won't use a database, Django requires initial migrations for its built-in features.
python manage.py migrate
  1. Create an app: Django applications are self-contained modules.
python manage.py startapp hello
  1. Define a view: Edit mysite/hello/views.py to add a simple view function.
# mysite/hello/views.py
from django.http import HttpResponse

def index(request):
    return HttpResponse("Hello, World!")
  1. Map a URL: Create mysite/hello/urls.py to define the URL pattern for your view.
# mysite/hello/urls.py
from django.urls import path
from . import views

urlpatterns = [
    path('', views.index, name='index'),
]
  1. Include the app's URLs in the project: Edit mysite/mysite/urls.py to include your new app's URLs.
# mysite/mysite/urls.py
from django.contrib import admin
from django.urls import include, path

urlpatterns = [
    path('admin/', admin.site.urls),
    path('hello/', include('hello.urls')),
]
  1. Add the app to installed apps: Edit mysite/mysite/settings.py and add 'hello' to the INSTALLED_APPS list.
# mysite/mysite/settings.py

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'hello', # Add your app here
]
  1. Run the development server:
python manage.py runserver

Now, open your web browser and navigate to http://127.0.0.1:8000/hello/. You should see "Hello, World!" displayed.