Learn FLASK with Real Code Examples

Backend for SaaS products

API-as-a-service solutions

Subscription-based platforms

E-commerce backend

Enterprise microservices

Enhanced async support

Improved security defaults

More official extensions

Better performance under load

Community-driven feature improvements

Large enterprise apps requiring built-in admin, auth, and ORM

Projects needing async-first performance

Teams preferring convention-over-configuration frameworks

Applications requiring built-in security defaults

Projects that grow quickly without modular structure

Flask is a minimal and flexible Python web framework.

Provides routing, templating, and request/response handling.

Highly extensible via plugins and extensions.

Ideal for APIs, microservices, and small to medium web apps.

Lightweight, simple, and easy to learn for Python developers.

Is Flask free?

Yes - open-source under BSD license.

Does Flask support async?

Partially - via Flask 2.x with async views.

Is Flask suitable for production?

Yes - with WSGI server like Gunicorn.

Does Flask include ORM?

No - use SQLAlchemy or other extensions.

How does Flask compare to Django?

Flask is lightweight and flexible, Django is full-featured and opinionated.